British patents listed by patent date
The following is a list of patents referred to in the main text.
| 674 | 1855 | Describes a combined camera and dark tent arrangement. The lens of the camera moves in a curved slot. Bourne, John Cooke |
| 2574 | 1857 | Improved achromat lens. Grubb, Thomas |
| 2940 | 1857 | Stereo Viewer. Handle on the hinged top-flap. Sands, Charles |
| 887 | 1858 | A thin membrane is used as a lens diaphragm. Maugey, Pierre |
| 2644 | 1858 | Covers the Clairvoyant viewer. Swan, Henry |
| 2112 | 1859 | Stereoscope open on three sides with a mirror on the fourth for viewing illustrations mounted in books. Beck, Joseph |
| 2193 | 1859 | 'An improved panoramic lens for taking photographic pictures'. Sutton, Thomas |
| 3175 | 1864 | Covers the Dubroni. Bourdin, Gabriel Jules |
| 3069 | 1871 | Describes a folding bellows camera where the baseboard is in three parts, the outer two parts fold up to cover the rear and front standards. Stillman, William James |
| 1699 | 1875 | Describes the Hare transfer box. Hare, George |
| 1938 | 1877 | Euryscope lens. Voigtländer, F. von |
| 1448 | 1878 | Stand camera with a hinged baseboard to protect the focusing screen and a front standard mounted on a short focusing rail. Rouch, S.W. |
| 2783 | 1881 | Shutter. Sands, Charles |
| 3014 | 1881 | The rear standard has a rounded base and is clamped by a screw passing through the baseboard. The standard pivots on a ball or cylinder for adjustment, the screw tightens on the ball when clamped. Sold as the Sciopticon, a distinctive tailboard type camera. Smith, George |
| 4320 | 1881 | Describes a twin lens camera, shutter and changing mechanism. Brookes, Warwick |
| 5598 | 1881 | Camera with provision for holding and changing plates internally by passing a hand through a light-tight sleeve. Lawley, Walter; Starnes, H.S. |
| 3035 | 1882 | Describes the '1882' pattern folding plate camera. Hare, George |
| 3268 | 1882 | Focusing scale attached to the baseboard. Stanley, William Ford |
| 1650 | 1883 | Flap/drop shutter. The flap is spring powered, the drop-plate is rubber-band powered. Reynolds, R.; Branson, F.W. |
| 319 | 1884 | Turntable in base of camera to dispense with the tripod top. McKellen, Samuel Dunseith |
| 1898 | 1884 | Swing and tilt adjustment using a cradle with curved surfaces attached to the baseboard. Used on the 'Patent Swing' studio camera. Sands, Charles; Hunter, J.J. |
| 2767 | 1884 | Flap/drop shutter. Flap speed controlled by weighted arm, the drop-plate is rubber-band powered. Branson, F.W. |
| 3026 | 1884 | Plates are held in a frame inside a slide which clips to the camera, a plate is moved into the focal plane by depressing a rod attached to the frame. Hopkins, J.; Hopkins, A.G. |
| 6688 | 1884 | Pivoting lens board enabling it to swing forward onto the baseboard whilst front standard swings backwards when collapsing the camera. McKellen, Samuel Dunseith |
| 6898 | 1884 | Folding darkroom lamp. Redding, Henry Joseph |
| 7201 | 1884 | The object is to dispense with the tilting back and sliding front. The lens is supported on a 'U' shaped bracket allowing rise, tilt and shift. Samuels, T. |
| 7746 | 1884 | Shutter. Furnell, T. |
| 8463 | 1884 | Inner sliding frame on a field camera for focusing, the frame is moved by a rack and pinions at each end of the frame. McKellen, Samuel Dunseith |
| 12389 | 1884 | Describes a folding bed camera with a double-slotted link connecting the baseboard and the back. Chapman, J.T.; Scott, T. |
| 15542 | 1884 | Roll-film holder. Eastman, G.; Walker, W.H. |
| 15887 | 1884 | Describes a field camera with two angle-plates sliding on the inner frame to which the front standard is pivoted. Middlemiss, W. |
| 16087 | 1884 | Describes a camera with the front and back standards moved by racks running each side of a single pinion. The patent was used on the 'Imperial' and an earlier model from S&H. Sands, Charles; Hunter, J.J. |
| 16334 | 1884 | Horizontal swing given to the back by pivoting it to plates that move along each edge of the baseboard. McKellen, Samuel Dunseith |
| 1120 | 1885 | Describes a tailboard camera. Branson, F.W. |
| 2496 | 1885 | Method of clamping the front standard to the baseboard and clamping the rising front. Used on the 'Combination' camera from Shew and others. Brown, J.E. Shew's Aluminium Combination, Brown's Patent Combination Camera |
| 4102 | 1885 | Describes the Shew Eclipse. Lowdon, George |
| 4528 | 1885 | Field camera with an attached focusing hood and magnifier. Stanley, William Ford |
| 4531 | 1885 | Single blade return shutter. Sarjeant, W.L. |
| 5014 | 1885 | Roller-blind shutter. Kershaw, John |
| 5363 | 1885 | Rotary shutter. Lancaster, W.J. |
| 5364 | 1885 | Baseboard in three parts with pull-out section and second section moved by rack and pinion. Locking nut on pinion. Lancaster, W.J. |
| 5938 | 1885 | Tailboard camera, especially the fitting of the front and rear standards. Used in the 'Long and Short Focus' camera. Rouch, A.S. |
| 5965 | 1885 | Field camera with a turntable or cut-out for the lens in the baseboard. Underwood, E.; Underwood, T.A. |
| 9286 | 1885 | Roll-holder Morgan, W.T.; Kidd, R.L. |
| 10594 | 1885 | The camera back is connected by short links to the slides running on the edge of the baseboard, this is arranged to provide a tilting back. Tilting front is also provided. Gotz, J.R. |
| 11386 | 1885 | Dovetailed wedge-shaped fitting on the camera to fit tripod top. Park, Henry |
| 13956 | 1885 | Rotating back. Billcliff, Joshua |
| 1675 | 1886 | Method of fixing the front standard to the baseboard using vertical rods inside the forks. Rayment, Arthur |
| 2390 | 1886 | Dark slide for film. Vergara, F.J. |
| 2670 | 1886 | Field camera with front standard that can be disengaged for collapsing. Double pinion acting on the focusing rack. Circular lens panel carrying several lenses. Flexible focusing screen that winds onto a roller. Thornton, John Edward |
| 2811 | 1886 | Cameras, especially fixing the front standard to the baseboard using studs. Stanley, William Ford |
| 3879 | 1886 | Use of an iris diaphragm. Lancaster, W.J. |
| 4624 | 1886 | Describes an actinometer using paper prepared with bromine salt, the paper is held in a circular case. Stanley, William Ford; Sarjeant, W.L. |
| 5450 | 1886 | Development of patent 15887/1884, the front standard is held in place by pins that can pivot and be disengaged to collapse the camera. Advertised by Marion (YBP 1891). Middlemiss, W. |
| 6013 | 1886 | Relates to a detective camera with one lens for focusing and another similar one for throwing the image on the sensitive plate. Driffield, V.C. |
| 7156 | 1886 | Pneumatic shutter. Used on the early Newman shutter (fitting in the diaphragm slot of e.g. field cameras). Newman, Arthur Samuel |
| 7359 | 1886 | Dark-slides. Small plates are on the draw-slide to prevent the removal of the draw-slide. Watson, Thomas Parsons |
| 7951 | 1886 | The dark-slides are held in position by wooden strips that are moveable to accommodate different sizes of dark-slide. The strips unscrew and can be placed for vertical or horizontal use. McKellen, Samuel Dunseith |
| 8329 | 1886 | Changing box where the exposed plate is raised by a crank lever in the bottom of the box. Newman, Arthur Samuel |
| 9655 | 1886 | Waistcoat camera. Stirn, C.P. |
| 9756 | 1886 | Use of a metal frame in place of the conventional baseboard, the sides of the frame can telescope for focusing. Arrangement for tilting back and swing front. McLaughlin, G. |
| 11615 | 1886 | Plate Box with corrugated grooves to hold the plates and flaps to lift out the plates. Arundel, S.D. |
| 12238 | 1886 | Roller-blind shutter. Thornton, John Edward |
| 13240 | 1886 | Field camera with front standard that can be disengaged for collapsing. Hole in baseboard with a turntable to fix tripod. Plumb bob. Circular lens panel carrying several lenses. Thornton, John Edward |
| 14262 | 1886 | Describes a conventional field camera with an inner moveable frame on which the front standard is mounted. Park, Henry |
| 14421 | 1886 | So that Waterhouse stops are not lost they fit into a metal frame attached to the side of the camera, to hold them in place a leaf spring has an attached peg that fits into the holes of the stops. Thornton, John Edward |
| 541 | 1887 | Tailboard camera where the bellows disengage from the front, the rear standard folds onto the baseboard and the front standard folds on top covering the focusing screen. Possibly used on a Ross stereo camera. Ashford, J. |
| 1533 | 1887 | Use of eccentric discs to clamp the dark-slides in place. Lancaster, W.J. |
| 2042 | 1887 | The base of the back has a curved rack to provide a tilt movement. Gotz, J.R. |
| 4718 | 1887 | Field camera with levers to clamp the front standard. Cusworth, C. |
| 4808 | 1887 | Use of a slotted disc to set tilting back. Sands, Charles; Hunter, J.J. |
| 6613 | 1887 | Changing mechanism, shutter for a detective camera. Used on the Eureka. Rouch, S.W. |
| 9948 | 1887 | Catches for dark-slides to lock the draw-slide in place. Watson, Thomas Parsons |
| 10103 | 1887 | Method of clamping the front standard to the baseboard. Collins, T.J. |
| 13332 | 1887 | Describes a means of estimating the light by introducing varyingly translucent plates in front of the image on the ground glass screen. Decoudun, J. |
| 1510 | 1888 | Book camera. Krügener, R. |
| 3076 | 1888 | Field camera, the front forks have a slot within which the studs on the lens board can move for vertical adjustment. Centre swing and base tilt to back. Focusing pinion pushes into recess for storage. Sold by Marion as the Cyclone. Gale, C.H. |
| 4145 | 1888 | Changing mechanism. Rouch, A.S. |
| 5545 | 1888 | Exposure determining. Hurter, F.; Driffield, V.C. |
| 6814 | 1888 | Twin lens camera with bayonet lens mount. Clark, S.M. |
| 6950 | 1888 | Roll-film detective camera. Eastman, G. |
| 8447 | 1888 | Method of fixing the rear standard of a field camera to the baseboard. The rear standard is attached to a bracket that moves along a rail, a wedge clamps the bracket to the rail. Turner, J. W. |
| 10823 | 1888 | Describes a small rigid hand camera and changing method. Used in the Demon. O'Reilly, Walter |
| 11578 | 1888 | Actinometers. Relates to improvements to BP13332/1887. Decoudun, J. |
| 12573 | 1888 | Turntable operated by a rack and pinion, general arrangement for focusing and folding the camera. Scorer, W. |
| 17328 | 1888 | Luzo roll-film camera. Redding, Henry Joseph |
| 18099 | 1888 | Method of connecting the front standard to the baseboard and locking rising front etc. Used on the Acme camera. Watson, Thomas Parsons |
| 18542 | 1888 | The focusing pinion has reduced sections so that when these are moved over the rack it is out of gear. Rayment, E.; Rayment, F.L.; Rayment, Arthur; North, C.G. |
| 939 | 1889 | Changing mechanism for a detective camera. Smith, A. |
| 1365 | 1889 | Darkroom lamp. Lancaster, W.J. |
| 1631 | 1889 | Curved slot on front standard forks to control tilt and collapsing of camera. Tilting back by clamping plates on the rear standard to short uprights running on the baseboard, these uprights (and therefore the whole back) are clamped to the baseboard by a screwed rod extending the width of camera. Bellows are made parallel for a short distance near the camera back. Used on the 'Extra Special' model. Lancaster, W.J. |
| 4131 | 1889 | Changing mechanism and shutter for a detective camera. Miall, Frank |
| 8054 | 1889 | Use of an extra large pinion wheel to adjust the focus. A folding handle rotates the pinion wheel, a sliding bolt locks the position. Skinner, J.H.; Lyth, E.J. |
| 9869 | 1889 | Shutter. Eastman, G. |
| 14537 | 1889 | The lens is mounted within eccentric discs to provide rise and cross front. Other improvements cover tripod fixing. Scorer, W. |
| 18167 | 1889 | See-Saw shutter. Lancaster, W.J. |
| 19770 | 1889 | Plate holders for use in changing boxes. Miall, Frank |
| 359 | 1890 | Describes the Folding Kodak. Brownell, Frank Alexander; Kodak Ltd |
| 511 | 1890 | Rubber grip to fit the shutter to various size lenses. Thornton, John Edward; Pickard, Edgar |
| 1388 | 1890 | Describes an actinometer on the principle of the slide-rule for determining the exposure to be given to a plate. Watkins, Alfred |
| 3743 | 1890 | Covers the fitting of dark-slides to reversing frames, especially an arrangement of catches that prevents the shutter of the slide being withdrawn until it inserted into the camera back. Scorer, W. |
| 6028 | 1890 | Protar lens. Rudolph, Paul |
| 7489 | 1890 | Describes a back with swing and tilt. Used on the Perfection model. Vevers, C.C. |
| 10012 | 1890 | Celluloid vignettes. Sershall, G.J. |
| 11476 | 1890 | Two-blade pivoted return shutter. Mattioli, G. |
| 11891 | 1890 | Changing mechanism. Clarke, Joseph Thacher |
| 12001 | 1890 | Method of clamping tripod turntable. Skinner, J.H. |
| 12442 | 1890 | Diaphragm shutter opening to a varying extent. Bausch & Lomb Optical Co. |
| 12669 | 1890 | Falling plate camera mechanism. Miller, Tom |
| 13055 | 1890 | Shutter. Used on the Presto camera. Franks, Louis Aubrey |
| 15495 | 1890 | Describes a detective camera. Used in the Rover. Lancaster, W.J. |
| 19274 | 1890 | Shutters, pneumatic regulation. Patent refused. Newman, Arthur Samuel |
| 19480 | 1890 | Shutter. Used on the Adams Hand Camera. Adams, Arthur Lewis; Newman, Arthur Samuel |
| 20299 | 1890 | Changing boxes especially the use of sheaths to hold the plates. Found on Newman and Guardia and Adams cameras. Newman, Arthur Samuel; Adams, Arthur Lewis N&G Standard, Adams Hand Camera, N&G Changing Box, Adams Changing Box |
| 20852 | 1890 | Shutters and lens fittings. Clarke, Joseph Thacher |
| 2279 | 1891 | Describes a falling plate detective camera. Miller, Tom |
| 6533 | 1891 | An interrupted screw (bayonet) is used to attach and disconnect the bellows to the front standard. The tilting back is guided by a curved slot. Back adapted to fit an enlarger or copying device. Savage, R.W.; Sun Camera Co. |
| 10278 | 1891 | Falling plate camera. Ricard, E.; Lacroix, J.B.J. |
| 10798 | 1891 | Roller-blind shutter. BP 5014/1885 is related. Kershaw, John |
| 11394 | 1891 | Improvements to strut cameras. Shew, Fox |
| 13340 | 1891 | Suction device for attaching an article to glass. Used on the Limpet finder. Brookes, Warwick |
| 13449 | 1891 | Method of attaching the front standard to the baseboard. Gandolfi, Louis |
| 14648 | 1891 | Front standard is made detachable by using spring bolts on the forks. Two positions for the forks locked by a single pair of struts. Rayment, Arthur; Lyons, G. |
| 15657 | 1891 | Describes a strut camera where the lens board is pivoted between the struts and able to tilt. Rise is also possible. Incorporated in a Shew Eclipse model. Shew, Fox; Henry, L.C.V. |
| 17143 | 1891 | Brin camera. Brin, A. |
| 21933 | 1891 | Telephoto attachment fitting behind the prime lens. Dallmeyer, Thomas Rudolphus |
| 941 | 1892 | Describes a folding strut camera. Jeffrey, A.; Wishart, George |
| 3019 | 1892 | Tapering the end of screw threads. Taylor, T.S.; Taylor, W.; Hobson, H.W. |
| 5742 | 1892 | Roller-blind shutter, rack and pinion setting arm and pneumatic regulation. Newman, Arthur Samuel; Guardia, J. |
| 6013 | 1892 | Developing and washing apparatus. Brin, A. |
| 6631 | 1892 | Describes a camera and enlarging apparatus for a rigid hand camera. Carpentier, Jules |
| 8194 | 1892 | Printing frame. Beck, Conrad; Bynoe, Frederick Oatley |
| 9819 | 1892 | Changing mechanism for a detective camera. Used in the Frena. Beck, Conrad; Clarke, Joseph Thacher |
| 9820 | 1892 | Shutter. Used in the Frena. Beck, Conrad; Clarke, Joseph Thacher Folding Frena, Frena, Frena, F.O.P. Frena, Frena Changing Mechanism |
| 12029 | 1892 | Pneumatic delay cylinder where the initial position of the cylinder or piston is altered to vary the speed. Adams, Arthur Lewis; Hill, Henry |
| 13857 | 1892 | Changing box, use of a pressure plate. Newman, Arthur Samuel; Guardia, J. |
| 14753 | 1892 | The conventional baseboard is replaced by telescoping tubes. Griffiths, Walter |
| 15292 | 1892 | Changing box. The plates are held in a hinged frame that tilts backwards to grip the front plate. Adams, Arthur Lewis; Jeyes, John William |
| 17642 | 1892 | Exposure determining. Describes a circular slide-rule. Scott, J.A.; Britannia Works Co. |
| 19581 | 1892 | Shutter. Clarke, Joseph Thacher |
| 20253 | 1892 | Exposed indicator for dark-slides. Thornton, John Edward; Pickard, Edgar Tailboard Camera for Mono or Stereo, Unnamed Field Camera, Royal Ruby, Royal Ruby |
| 20649 | 1892 | Shutter, pneumatic regulation. Newman, Arthur Samuel; Guardia, J. |
| 23315 | 1892 | Use of notches in film packs to change film. The films have notches along two sides. When a film has been exposed pins in front of the film are slid to coincide with the notches and so release the film. The next film has notches in the alternate position and so is held in place by the pins. Used in the Frena. Clarke, Joseph Thacher Folding Frena, Frena, Frena, F.O.P. Frena, Frena Film Holder, Frena Changing Mechanism |
| 23378 | 1892 | The Double Anastigmat. Goerz, Carl Paul; |
| 23487 | 1892 | Describes a small roll-film camera, shutter etc. Used on the Kombi. Kemper, A.C. |
| 2566 | 1893 | Improvements in changing boxes, and arrangement for a detachable box. Clarke, Joseph Thacher |
| 4081 | 1893 | Changing the slit width of a focal-plane shutter by the use of chains. Thornton, John Edward; Pickard, Edgar |
| 5828 | 1893 | Method of clamping and collapsing front standard, tilting back arrangement. Used on the Imperial Instantograph. Dark-slide with hinged top to load plates. Lancaster, W.J. |
| 8122 | 1893 | Changing box where the exposed plate is raised into the bag by the draw-slide. Reid, J.G. |
| 10064 | 1893 | Shutter and changing mechanism for a stereo camera. Richard, Jules |
| 10617 | 1893 | Describes a watch type actinometer. Wynne, George Frederick |
| 11303 | 1893 | Folding tripod. The sections are automatically secured into place by a spring catch as the tripod is unfolded. Spratt, Henry James; Spratt, Alfred Sidney; Spratt, George Albert |
| 14364 | 1893 | Relates to a simplified form of patent BP 1388/1890. Describes the Watkins Junior. Watkins, Alfred |
| 16373 | 1893 | Use of studs to attach front standard to inner frame. Frame strengthened by using racks of T, L or U section, the racks are cut diagonally to match spiral pinion to give less backlash when focusing. Branson, F.W. |
| 17685 | 1893 | Shutter. Clarke, Joseph Thacher |
| 18595 | 1893 | Folding strut camera. Used on the original model Vesta. Hill, Henry; Adams, Arthur Lewis |
| 21727 | 1893 | Describes the Photoret. Magic Introduction Co. |
| 22607 | 1893 | The Cooke Anastigmat lens. Taylor, Harold Dennis |
| 23894 | 1893 | For Factorial development. Includes the Factorial Calculator and an instrument for timing development, using the Factorial method, based on a multi-chambered sand glass. Watkins, Alfred |
| 24487 | 1893 | Use of green and yellow screens to give better colour rendering. Based on BP 9926/92. Burchett, Arthur |
| 24647 | 1893 | Describes a folding hand camera that folds into a small space. Used on the Shew Featherweight. Shew, Fox; Batault, Emile |
| 366 | 1894 | Swing and tilt to back arranged so that the axis of movement is co-incident with the sensitive plate. Curtis, W.F.H. |
| 1830 | 1894 | Describes a monorail camera. Peck, G. |
| 5374 | 1894 | A tambour front panel is used to give rising front, moved by rack and pinion. Cole, J. |
| 8515 | 1894 | Exposure determining. Phillips, William Henry |
| 9119 | 1894 | Brilliant view-finder having two lenses before the mirror. Hill, Henry; Adams, Arthur Lewis |
| 12976 | 1894 | Roller-blind shutter. Two blinds moving in opposite directions. Used on the Studio model. Pickard, Edgar |
| 14161 | 1894 | Colour photography. Joly, J. |
| 17844 | 1894 | Sector shutter. Goerz, Carl Paul; Nerrlich, Eugen Albrecht Richard |
| 19329 | 1894 | Shutters, lenses and lens fittings. Used on falling plate cameras. Jackson, Alfred Charles Falling plate camera (Jackson's patents), Improved Rapid, Falling plate camera (Jackson's patents) |
| 20768 | 1894 | Folding camera. Jones, Alexander James; Levi, Samuel Joseph |
| 21458 | 1894 | Improvements to the Double Anastigmat. Goerz, Carl Paul; |
| 23387 | 1894 | Printing Frames. Spring catch arrangement to clamp the back in place. Spratt, Henry James; Spratt, Alfred Sidney; Spratt, George Albert |
| 25000 | 1894 | Relates to an instrument for calculating the time of exposure. Watkins, Alfred |
| 613 | 1895 | Sanderson front standard support struts. Sanderson, Frederick Herbert Sanderson, Sanderson A pattern, Sanderson Popular, Sanderson Junior, Tropical Sanderson, Sanderson, Sanderson Regular, Sanderson De Luxe, Sanderson Tourist, Junior Sanderson, Tropical Sanderson, Roll-film Sanderson, Tropical Sanderson, Sanderson Tropical De Luxe, Sanderson Tropical De Luxe, Roll-Film Sanderson |
| 1924 | 1895 | Roller-blind shutter. Use of a safety blind to cover the lens when setting the shutter. Improvement of BP 17516/1891. Thornton, John Edward; Pickard, Edgar |
| 2305 | 1895 | Viewer for three-colour images, applied in the Kromskop. Ives, Frederic E. |
| 2544 | 1895 | Describes the Kombi. Kemper, A.C. |
| 3634 | 1895 | Method of connecting the front standard to the baseboard. Spratt, Henry James; Spratt, Alfred Sidney; Spratt, George Albert |
| 11302 | 1895 | Describes a rigid bodied camera, shutter and changing mechanism. Zion, Joseph |
| 15107 | 1895 | The Cooke Anastigmat lens. Taylor, Harold Dennis |
| 16640 | 1895 | The Stigmatic lens. Aldis, Hugh Lancelot |
| 22136 | 1895 | Use of springs and notches in the side struts to locate normal position of front and rear standards. Locking of inner focusing frame by bolts. Focusing screen attached to reversing frame by two flat springs allowing screen to move outwards when slide is inserted. Thornton, John Edward; Pickard, Arthur Gray |
| 23883 | 1895 | Front standard connected to the baseboard by two studs, each side of the standard, these engage slots one of which is segmental allowing the standard to pivot forward for removal. Spratt, Henry James; Spratt, Alfred Sidney; Spratt, George Albert |
| 24157 | 1895 | Describes the Presto camera. Casler, Herman |
| 789 | 1896 | Method of connecting front standard to the camera baseboard for stereo use. Holmes, Leonard; Holmes, Leonard Edwin; Holmes, Herbert |
| 3055 | 1896 | Falling plate camera and shutter. Jackson, Alfred Charles Falling plate camera (Jackson's patents), Improved Rapid, Falling plate camera (Jackson's patents) |
| 4110 | 1896 | Describes a monorail. Parkinson, H.C. |
| 5454 | 1896 | Describes a shutter and general form of a box camera for plates. Used on the B.P. Criterion. Brooks, John Boultbee |
| 6489 | 1896 | Changing mechanism. Used in the Frena. Beck, Conrad; Beck, William; Clarke, Joseph Thacher |
| 13019 | 1896 | Changing box with a flexible bag where an incline at the front of the box lifts the plates enabling the front plate to be gripped when changing plates. Adams, Arthur Lewis; Jeyes, John William |
| 13040 | 1896 | Vignette frame. Salmon, Arthur |
| 16544 | 1896 | Describes a focusing screen that is held in place by springs acting along one edge with a spring loaded bar holding a dark-slide in place. Thornton, John Edward; Pickard, Edgar |
| 21505 | 1896 | Metal dark-slides with removable inner section, sold by B.J. Edwards. (The patentees traded as W. Edwards of the Steam Cabinet Case Works, Birmingham). The surname of Brown was possibly Edwards Brown. Brown, Frank Edwards; Edwards, William |
| 21755 | 1896 | Describes a binocular camera. Bloch, Edmond |
| 22557 | 1896 | Strut camera dark-slides and shutter. Used on the Tit-Bit. Tylar, William |
| 24269 | 1896 | Rotary shutter and general arrangement of the Pocket Kodak. Eastman Photographic Materials Co.; Brownell, Frank Alexander |
| 27102 | 1896 | Changing mechanisms, focusing etc. Used on falling plate cameras. Jackson, Alfred Charles Falling plate camera (Jackson's patents), Improved Rapid, Falling plate camera (Jackson's patents) |
| 7880 | 1897 | Shutter with two pivoted blades. Eastman Photographic Materials Co. |
| 14865 | 1897 | Print meter. Wynne, George Frederick |
| 17900 | 1897 | Ruling machine to produce screens used in the Joly colour photography process. Joly, J. |
| 20951 | 1897 | Roll-film holder, the film being wound outside the backing paper. Eastman, G. |
| 29506 | 1897 | Describes a changing arrangement for cameras using cut-film. Used in the Tella camera. Adams, Arthur Lewis |
| 29599 | 1897 | Describes a detective camera where the plates are changed by inserting the hand into the camera. Atwater, John Larson |
| 3118 | 1898 | Dark-slides. The top of the draw-slide has corrugations into which strips of velvet, attached to the dark-slide, can fit. Thornton, John Edward; Thornton-Pickard Manufacturing Co. |
| 3240 | 1898 | Aluminium case for roller-blind shutter. Thornton, John Edward |
| 9057 | 1898 | Five sided prism used as a view-finder giving non-reversed image. Mallett, Walter; Watson, William; Beevor, Charles William; Adams, Arthur Lewis |
| 10966 | 1898 | Relates to a method of making up a packet of films for use in change-boxes. Used in the Tella camera. Adams, Arthur Lewis |
| 17006 | 1898 | View-finder. Use of a mask placed in the focal point of the front lens. Beck, Conrad; Beck, Horace Courthope |
| 24567 | 1898 | Describes the shutter, changing mechanism and general form of a rigid bodied camera. Used in the Sigriste camera. Sigriste, J.G. |
| 26281 | 1898 | Describes a watch type actinometer. Relates to BP 14457/1884, BP 14364/1893, BP 25000/1894. Watkins, Alfred |
| 2189 | 1899 | Describes the Magazine Cyclone (Western Camera Manufacturing Co.). Haight, Harry D.; Cossitt, Lincoln L. |
| 4462 | 1899 | Sector type, T & I, shutter. Lancaster, W.J. |
| 6628 | 1899 | Time valve. Thornton, John Edward |
| 6775 | 1899 | Method of clamping the front and rear standards by 'V' section plates working on grooves along the baseboard. The plates are pulled together by a bolt running the width of the baseboard. Found on a camera by McBean. Wilby, J.A.; Tattersall, W. |
| 7751 | 1899 | Envelope adapter. Mackenzie, Frederick; Wishart, George |
| 12180 | 1899 | Describes the shutter, changing mechanism and general form of a rigid bodied camera. Used in the Sigriste camera. Sigriste, J.G. |
| 14102 | 1899 | The front standard does not have a cross piece at the top of the forks, it is strengthened by angled struts on the front of the standard as well as the usual side struts. Branson, F.W. |
| 16861 | 1899 | Print trimmer. Smith, Clement Alfred |
| 21510 | 1899 | Describes a folding camera. Used in the Pocket Cyko. Nièll, Magnus |
| 21873 | 1899 | Changing mechanism and shutter for a rigid stereo camera. Used in the L.S.C. Royal. Smyth, Herbert |
| 24089 | 1899 | The Unar lens. Rudolph, Paul |
| 24720 | 1899 | Telephoto attachment fitting in front of the prime lens. Dallmeyer, Thomas Rudolphus |
| 5120 | 1900 | Changing arrangement for folding hand cameras. Used on the Folding Frena range. Beck, Conrad; Beck, William |
| 5564 | 1900 | Folding darkroom lamp. Jackson, Alfred Charles |
| 6508 | 1900 | Tripod with hinged section to close into a smaller space. Ashford, J. |
| 13830 | 1900 | Panoramic camera. Kodak Ltd; Brownell, Frank Alexander |
| 15640 | 1900 | Folding hand camera especially a self-erecting front. Thornton-Pickard Manufacturing Co.; Pickard, George Arthur; Woodhead, Charles Godfrey |
| 15926 | 1900 | Rack and pinion used to raise the lens board. Howell was a partner in the Midland Camera Co. Howell, C. |
| 16137 | 1900 | Guillotine shutter sold as the Ilex. Tattersall, Henry Percy |
| 16813 | 1900 | Describes the Dawson Densitometer. Dawson, John William |
| 17044 | 1900 | Describes the Al-Vista panoramic camera. Angsten, Peter Nickolaus |
| 19172 | 1900 | Device to hold shutter blades open for focusing, for example on a Unicum shutter. Walker, James Hubert Phipps |
| 19331 | 1900 | Describes a watch type actinometer sold as the Watkins Dial. Watkins, Alfred |
| 20226 | 1900 | Method of fixing the front standard to the baseboard to provide lever focusing. Tattersall, Henry Percy |
| 20860 | 1900 | Use of spring plate and studs to locate the front standard on the baseboard. Holmes, Herbert; Houghton, George Sanderson Regular, Sanderson De Luxe, Sanderson Tourist, Junior Sanderson, Sanderson Tropical De Luxe, Roll-Film Sanderson |
| 20862 | 1900 | Tallbody feature to prevent bunching of the bellows from obscuring the image. Sanderson, Frederick Herbert Sanderson A pattern, Sanderson Popular, Tropical Sanderson, Sanderson De Luxe, Sanderson Tropical De Luxe, Sanderson Tropical De Luxe |
| 21594 | 1900 | In a focal-plane shutter the tapes are wound into the centre of the take-up roller, a gap in the roller allows the set speed to be viewed from outside the camera via a red window. Adams, Arthur Lewis |
| 22633 | 1900 | Printing frame using pins on the back that fit into slots on the side of the frame to prevent slippage. Wilkinson, John; Wilkinson, Alfred |
| 22962 | 1900 | Heliar lens. Harting, Carl August Hans |
| 114 | 1901 | Device to set the front standard at any angle. Covers the front standard bolts. Sanderson, Frederick Herbert Sanderson Regular, Sanderson De Luxe, Sanderson Tourist, Junior Sanderson, Tropical Sanderson, Roll-film Sanderson, Tropical Sanderson, Sanderson Tropical De Luxe, Sanderson Tropical De Luxe, Roll-Film Sanderson |
| 1139 | 1901 | Relates to an enlarging camera adapted to correct distortion in negatives owing to their being out of the true plane when originally photographed. Carpentier, Jules |
| 3873 | 1901 | Describes a slide-rule actinometer. Acworth, Joseph John |
| 5170 | 1901 | The Aldis Anastigmat lens. Aldis, Hugh Lancelot |
| 5438 | 1901 | Describes a while-you-wait ferrotype camera. Hickox, Herbert Edward; Phillips, Forbes Alexander |
| 8353 | 1901 | Two-blade pivoted return shutter. Bausch & Lomb Optical Co. |
| 8358 | 1901 | Two-blade return shutter, rectilinear movement. Bausch & Lomb Optical Co. |
| 8360 | 1901 | Two-blade pivoted return shutter. Bausch & Lomb Optical Co. |
| 18631 | 1901 | Dial to calculate the shutter speed from the slit width and tension setting. Tattersall, Henry Percy; Pickard, George Arthur |
| 22793 | 1901 | Print roller. Wilkinson, John; Wilkinson, Alfred |
| 23431 | 1901 | Changing box with a bag, tambour shutter and lever to raise the plate. Adams, Arthur Lewis |
| 24350 | 1901 | Describes a folding hand camera. Nièll, Magnus |
| 1145 | 1902 | Describes a slide-rule actinometer using a tape or ribbon. Smith, John Henry |
| 2442 | 1902 | Method of inserting and retaining film spools. Holmes, Herbert; Houghton, George |
| 9599 | 1902 | Focal-plane shutter and mirror for a single lens reflex. Newman & Guardia; Newman, Arthur Samuel |
| 13061 | 1902 | The Tessar lens. Rudolph, Paul |
| 13441 | 1902 | Heliar lens. Harting, Carl August Hans |
| 19363 | 1902 | Focal-plane shutter and mirror in a single-lens reflex. Newman, Arthur Samuel; Newman & Guardia |
| 21768 | 1902 | Print trimmer. Wilkinson, John; Wilkinson, Alfred |
| 22150 | 1902 | Drying rack for plates. Wilkinson, John; Wilkinson, Alfred |
| 26068 | 1902 | Describes the Block Notes. Gaumont, L. |
| 27822 | 1902 | Describes a watch type actinometer sold as the Watkins Bee. Watkins, Alfred |
| 2305 | 1903 | The Euryplan lens. Arbeit, Ernst |
| 9013 | 1903 | Describes the original Premo film pack. Rochester Optical and Camera Co. |
| 9014 | 1903 | Describes a holder (adapter) for a film pack. Rochester Optical and Camera Co. |
| 14022 | 1903 | Film pack device. Beck, Conrad; Bynoe, Frederick Oatley |
| 14137 | 1903 | Front standard and lens board arrangement with springs to retain the lens board within the forks. Spring clamp to retain lens panel. Thornton-Pickard Manufacturing Co.; Pickard, George Arthur; Woods, Alfred |
| 22207 | 1903 | Roller-blind shutter mechanism. Used on the Royal model. Thornton-Pickard Manufacturing Co.; Woods, Alfred |
| 23670 | 1903 | Roller-blind shutter where the setting cord is pulled back into the case. Thornton-Pickard Manufacturing Co.; Piercy, Ernest Vary |
| 25285 | 1903 | Reflex cameras. Used on the Square Reflector. Newman, Arthur Samuel; Newman & Guardia |
| 25655 | 1903 | Filter or supplementary lens attachment for box cameras. Isaacs, Myer Lewis; Isaacs, Lewis Myer; Isaacs, Frederick Myer; Levi, J & Co. |
| 27986 | 1903 | Exposure meters. Describes Le Photometre Normal. Degen, Edouard |
| 992 | 1904 | Zambex envelopes and skeletons. Beck, Conrad |
| 1196 | 1904 | Relates to a method and apparatus for reducing or enlarging the dimensions of a photograph by inclining the original and reproduction. Scheimpflug, Theodor |
| 3648 | 1904 | Printing Frames. Includes a spring to raise the paper from the negative. Spratt, Henry James; Spratt, Alfred Sidney; Spratt, George Albert |
| 3799 | 1904 | Roll-film developing tank. Brownell, Frank Alexander; Kodak Ltd |
| 4831 | 1904 | Strut and front standard arrangement for a hand camera. Used on the Lizars De-Luxe cameras. Ballantine, Robert; Ballantine, Matthew |
| 10097 | 1904 | Envelope adapter. Wishart, George |
| 17408 | 1904 | Mostly covers the Tudor range of cameras but also shows the method of clamping the front standard to the focusing rack used on the Sanderson. Houghtons Ltd; Edwards, William Albert; Holmes, Herbert Sanderson De Luxe, Roll-film Sanderson, Tropical Sanderson, Sanderson Tropical De Luxe, Sanderson Tropical De Luxe |
| 20330 | 1904 | Means of compressing the bulb of a pneumatic release. Thornton-Pickard Manufacturing Co.; Pickard, George Arthur |
| 21295 | 1904 | Describes the Ticka. Nièll, Magnus |
| 21637 | 1904 | Metal stereoscope that resembled a book when closed, manufactured as the Pocket Rotoscope. Bath, Sidney Herbert; Rotary Photographic Co. |
| 21830 | 1904 | Describes a panoramic camera. Multiscope and Film Co. |
| 22698 | 1904 | Reflex cameras, mirror movement and shutters. Kershaw, Abram Stereo Tropical Reflex, Stereo Tropical Soho, Tropical Soho, Improved Artist Reflex, Soho Reflex, Dainty Soho Reflex |
| 22988 | 1904 | Autochrome. This, the first Autochrome patent, proposed that the plate be coated with grains coloured red, yellow and blue, the plate was then again coated with a tacky layer followed by a second coating of grains of the same colour, these would overlap in places producing a screen of six colours - red, yellow, blue, orange, green and blue-violet. |
| 25718 | 1904 | Autochrome. The second Autochrome patent proposed a single coating of grains but of multiple colours. |
| 26230 | 1904 | Circular print cutter. Wilkinson, John; Wilkinson, Alfred |
| 1740 | 1905 | Diaphragm shutter. Used on friction brake Koilos. Kenngott, Wilhelm |
| 4515 | 1905 | Method of arranging the struts to bring the front and rear standards of a field camera close together. Thornton-Pickard Manufacturing Co.; Pickard, George Arthur |
| 4874 | 1905 | Describes a three-colour falling late camera. Soc. du Photochrome |
| 11585 | 1905 | Folding roll-film camera. Brownell, Frank Alexander; Kodak Ltd |
| 11670 | 1905 | View-finder connected to the rising front. Adams, Arthur Lewis Vesta, Focal Plane Vesta, Stereo Vesta, Verto, Idento, Tropical Idento |
| 15958 | 1905 | Envelope adapter. Wishart, George |
| 16593 | 1905 | Focal-plane shutter. Goerz, Carl Paul; Brauburger, Ernst |
| 16857 | 1905 | Folding hand camera especially the view-finder. Used on the Sibyl camera. Newman & Guardia; Newman, Arthur Samuel |
| 19962 | 1905 | Exposure determining. Ilford Ltd; Potter, Rowland Samuel |
| 25237 | 1905 | Shutter. Used on the Beck Celverex. Beck, Conrad; Beck, Horace Courthope |
| 4992 | 1906 | Envelope adapter. Wishart, George |
| 5212 | 1906 | Envelope adapter. Mackenzie, Frederick; Wishart, George |
| 9100 | 1906 | Autochrome. The third Autochrome patent referred to the grains being flattened by rolling. |
| 16353 | 1906 | Focal-plane shutter especially the de-coupling of the blind rollers to adjust the slit. Hora, Tudor Travers |
| 18260 | 1906 | Four-way swing front. Adams, Arthur Lewis |
| 19943 | 1906 | Printing frame were a pressure bar, operated by a screw, grips the paper to the negative. Proctor, Thomas Richard; Houghtons Ltd |
| 27180 | 1906 | The Isostigmar lens. Beck, Conrad; Beck, Horace Courthope |
| 28174 | 1906 | Focal-plane shutter. Giles, Walter Frederick |
| 1468 | 1907 | Focal-plane shutter. Goerz, Carl Paul |
| 2485 | 1907 | Focal-plane shutter. Adams, Arthur Lewis |
| 4024 | 1907 | Diaphragm shutter. Used on Koilos with pneumatic delay. Kenngott, Wilhelm |
| 14916 | 1907 | Describes a spring operated rocking plate pivoted on one of the front standard struts that engages notches in a slide plate. Houghtons Ltd; Edwards, William Albert; Holmes, Herbert |
| 18121 | 1907 | The Staley-Wheeler telephoto attachment. Staley, Alfred Edward; Wheeler, Owen |
| 19108 | 1907 | Describes a mechanism that releases the catches to a reversing back by use of a central button. Used on Sanderson cameras. Houghtons Ltd; Edwards, William Albert; Holmes, Herbert |
| 28464 | 1907 | Describes a roll-film strut camera. Used in the Ensignette. Nièll, Magnus |
| 1327 | 1908 | Film developing tank. Films arranged in arcs around a common centre to fit a round tank. Carkhuff, Norman W.; Kodak Ltd |
| 3630 | 1908 | Describes the Vesta. Adams, Arthur Lewis |
| 9044 | 1908 | Describes the Paget colour screen process. Whitfield, George Sydney |
| 11687 | 1908 | Leaf shutter Kodak Ltd |
| 11698 | 1908 | Screens for colour photography. Dufay, Louis |
| 11816 | 1908 | Daylight changing system. Brooks, Arthur Augustus |
| 14489 | 1908 | Fitting of roll-film spools Nièll, Magnus |
| 14673 | 1908 | The Isostigmar lens. Beck, Conrad; Beck, Horace Courthope |
| 15548 | 1908 | Focal-plane shutter. Used on the Unit shutter. BP 22134/1904 is referenced. BJA 1909, p. 1193. (Advert.). Whitehead, Frank Philip; Giles, Walter Frederick Tropical Folding Ruby, Ensign Focal Plane Camera, Duplex Ruby Reflex, Ensign Popular Reflex, Salex Tropical Reflex, Ensign Folding Reflex |
| 17624 | 1908 | Strut camera. Used on the Folding Pocket Tenax. Goerz, Carl Paul |
| 18744 | 1908 | Screens for colour photography. Dufay, Louis |
| 19198 | 1908 | Tripod with legs of U section. Sold as the Jaynay Quickset. Wilkinson, John; Wilkinson, Alfred |
| 20971 | 1908 | Screens for colour photography. Christensen, Jens Herman |
| 21097 | 1908 | Screens for colour photography. Christensen, Jens Herman |
| 25074 | 1908 | Daylight changing system. Brooks, Arthur Augustus |
| 25370 | 1908 | Determining when development is complete, used in the A-kla system. Brooks, Arthur Augustus |
| 25849 | 1908 | Reflex camera. Adams, Arthur Lewis; Roberts, Walter George |
| 28448 | 1908 | Folding reflex camera. Frennet, Jules |
| 12105 | 1909 | Roller-blind shutter. Self-capping with two blinds connected by tapes. Chessher, Herbert George |
| 12605 | 1909 | Developing tank for the Ensignette No. 1. Nièll, Magnus |
| 20088 | 1909 | Spring arrangement to attach supplementary lenses to a camera lens. McAlpine, George Leonard; Griffin & Sons |
| 21588 | 1909 | Reflex cameras. Adams, Arthur Lewis |
| 27667 | 1909 | Reflex cameras with a mask to show position of revolving back. Adams, Arthur Lewis; Roberts, Walter George |
| 3633 | 1910 | Wratten Safelight. Wratten, Sidney Herbert |
| 12119 | 1910 | Mounting iron. Friedl, George |
| 20016 | 1910 | Shutters and reflex cameras. Newman, Arthur Samuel; Newman & Sinclair |
| 27461 | 1910 | Mechanism for tensioning and releasing roller-blind shutter. Also applied to Focal-plane shutters. Prout, George Frederick; Holmes, Herbert; Houghtons Ltd Triple Victo, Ensign Focal Plane Camera, Ensign Popular Reflex, Salex Tropical Reflex, Ensign Folding Reflex |
| 11147 | 1911 | Combined view-finder, level and telemeter. Talman, John; Watson, Charles Henry |
| 23429 | 1911 | Densitometer. Sanger-Shepherd, Edward |
| 40 | 1912 | Twin lens camera, horizontal model for plates. Thornton-Pickard Manufacturing Co.; Pickard, George Arthur |
| 5523 | 1912 | Describes a folding reflex camera. Used on the Folding Minex. Adams, Arthur Lewis |
| 6238 | 1912 | Focal-plane shutter. Thornton-Pickard Manufacturing Co.; Pickard, Arthur Gray; Slinger, Frank Special Ruby Reflex, Ruby de Luxe Reflex, Duplex Ruby Reflex, Junior Special Ruby, Dallmeyer De Luxe Reflex |
| 7204 | 1912 | Roll-film developing tank, for the Ensignette N0. 2. Pendred, Loughnan St. Lawrence; Houghtons Ltd |
| 8721 | 1912 | Describes the side struts of a folding hand camera. Used in the Sibyl range of cameras. Newman & Guardia; Walters, Edward Cecil; Mason, Percy George Roll-film Baby Sibyl, New Special Sibyl, Roll-film New Special Sibyl, New Ideal Sibyl, Roll-film New Ideal Sibyl, Baby Sibyl, Rangefinder Baby Sibyl |
| 8722 | 1912 | Sector shutter. Used on the Sibyl camera. Newman & Guardia; Walters, Edward Cecil; Mason, Percy George Roll-film Baby Sibyl, New Special Sibyl, Roll-film New Special Sibyl, New Ideal Sibyl, Roll-film New Ideal Sibyl, Baby Sibyl, Rangefinder Baby Sibyl |
| 9342 | 1912 | Describes a while-you-wait ferrotype camera. Moore, Harry Charles |
| 10504 | 1912 | Describes a folding hand camera. Brooks, Arthur Augustus |
| 12156 | 1912 | Actinometer where a small image of the subject is formed. Boucher, Paul |
| 13820 | 1912 | Leaf shutter. Newman, Arthur Samuel; Newman & Sinclair |
| 19406 | 1912 | Reflex camera. Adams, Arthur Lewis; Foulkes Winks, Benjamin |
| 25463 | 1912 | Time valve to fit onto a cable release. Baxter, F. W. |
| 27592 | 1912 | Diaphragm shutter with gear train to regulate the exposure. Used on the Compur. Deckel, F. |
| 27646 | 1912 | Roll-film camera, especially the use of a glass plate against which the film is pressed and film advance release mechanism. Used in the Homéos. Richard, Jules |
| 6121 | 1913 | Focal-plane shutter. Prout, George Frederick; Houghtons Ltd |
| 17530 | 1913 | Swing or tilting front to a studio camera. Adams, Arthur Lewis |
| 18767 | 1913 | While-U-Wait camera taking direct positives on cards, operated through a light-tight sleeve. Mandel, Louis |
| 23027 | 1913 | Stereoscopic camera for cine film. Used in the Homéos. Richard, Jules; Colordeau, Louis Joseph Emmanuel |
| 25037 | 1913 | Extending focusing rack for use with reflex cameras. Adams, Arthur Lewis |
| 27772 | 1913 | Method of collapsing the front standard in a folding hand camera. Goerz, Carl Paul |
| 29637 | 1913 | The Xpres lens. Stuart, John; Hasselkus, John William |
| 6380 | 1914 | Describes a watch type actinometer with a 'hunter' type of case. Wynne, George Frederick |
| 9005 | 1914 | Original patent for what became Autographic film. Gaisman, Henry Jaques |
| 9006 | 1914 | Original patent covering cameras adapted to use Autographic film. Gaisman, Henry Jaques |
| 20623 | 1914 | Film spools. Used in the Homéos. Richard, Jules |
| 6644 | 1915 | Front standard of a folding hand camera. Used on the Vaido. Adams, Arthur Lewis |
| 20187 | 1915 | The fluid in a developing tank is agitated by introducing air under slight pressure. Gimblett, John Archibald Linden; Rowden, George Vere |
| 106680 | 1916 | Plate holder used to produce composite photographs where a mask is moved between successive images. Walsham, A. E.; Bennett, A.; Perl, A. H. F. |
| 106681 | 1916 | Displaying and mounting composite photographs that use a mask. Walsham, A. E.; Bennett, A.; Perl, A. H. F. |
| 108458 | 1916 | Automatic diaphragm where the iris is kept open by a tensioned spring that, when released, closes the iris. Treitschke, Friedrich |
| 125615 | 1916 | Focal-plane shutter. Thornton-Pickard Manufacturing Co.; Pickard, Arthur Gray; Slinger, Frank |
| 117399 | 1917 | Describes a folding strut camera. Used in the Ensign Midget. Nièll, Magnus |
| 128626 | 1917 | Describes the T-P Gun camera. Thornton-Pickard Manufacturing Co.; Pickard, Arthur Gray; Slinger, Frank |
| 114173 | 1918 | Improvements in displaying composite photographs with an animated effect. This relates to photographs displayed in contact with a ruled screen. The specific improvement was to place the photograph in front of the screen and to incorporate an indentation in the mount to ensure contact between the screen and the photograph. Atherton, Reginald Ignatius; Jones, David Burne; Croneen, Sidney |
| 124636 | 1918 | Describes a folding hand camera. Newton & Wright; Litchfield, Thomas |
| 131149 | 1918 | Camera for continuous operation or still exposures, produced as the Sept. Tartara, Giuseppe Giovanni Battista |
| 139719 | 1919 | Dallon telephoto lens. Booth, Lionel Barton |
| 151507 | 1919 | Dallon telephoto lens. Booth, Lionel Barton |
| 158194 | 1919 | Reflex cameras and focal-plane shutters. Used in the Folding Reflex. Mason, Percy George; Newman & Guardia |
| 158601 | 1919 | Reflex cameras and lens fittings. Used in the Folding Reflex. Mason, Percy George; Newman & Guardia |
| 146054 | 1920 | Improvements to BP 131149 (Sept). Tartara, Giuseppe Giovanni Battista |
| 150663 | 1920 | Developing tank for roll films, in which a slide is provided for feeding the film in a double layer into the tank. Rowden, George Vere |
| 162829 | 1920 | Describes a pre-set device for an iris diaphragm. Beck, Conrad |
| 165575 | 1920 | Body for a roll-film camera using sheet aluminium. Used in the Ensignette. Houghton-Butcher Manufacturing Co.; Denniss, Alfred Joseph |
| 171024 | 1920 | Folding hand camera. Used on the Patent Etui camera. Guthe, Paul |
| 31441 | 1921 | Application number marked on APM reflex. |
| 157037 | 1921 | Three element lens. Warmisham, Arthur; Taylor, Taylor & Hobson Ltd |
| 165509 | 1921 | Method of determining the exposure required when printing from a negative. Price, A. L. |
| 183626 | 1921 | Hood for a rear focusing screen. Peacock, Thomas; Newman & Guardia |
| 190302 | 1921 | Reflex cameras and focal-plane shutters. Bettles, Arthur Edward |
| 182237 | 1922 | Tripod that folds into a walking stick. Peacock, Thomas; Newman & Guardia |
| 194897 | 1922 | Roll-film hand camera. Used on the Ensign Cupid. Application no. GB19220004312. Specification published in 1923. Houghton-Butcher Manufacturing Co.; Denniss, Alfred Joseph; Edwards, Valentine William |
| 203668 | 1922 | Albada view-finder. Carl Zeiss |
| 207637 | 1922 | Improvements to shutters. Used on the Ensign Cupid. Application no. GB19220024360. Houghton-Butcher Manufacturing Co.; Denniss, Alfred Joseph; Edwards, Valentine William |
| 210531 | 1922 | Reflex camera. Houghton-Butcher Manufacturing Co.; Denniss, Alfred Joseph; Dockree, Walter 2 ¼B Roll-film Reflex, Ensign Roll-film Reflex, Ensign Roll-film Reflex 2 ¼B |
| 210717 | 1922 | Reflex camera. Houghton-Butcher Manufacturing Co.; Denniss, Alfred Joseph; Dockree, Walter |
| 201561 | 1923 | Correx film apron. Correx Müvek Filmipari Gepgyar Czako Laszlo |
| 213973 | 1923 | Roll-film developing dish. Leigh, Albert; Baker, Thomas |
| 216349 | 1923 | Lantern slides for use having an opaque coating which can be cut through by a sharp-pointed instrument to form diagrams etc. Morgan, Henry Morrish |
| 220615 | 1923 | General arrangement for a box camera. Optische Anstalt C.P. Goerz A.G. |
| 214939 | 1924 | Exposure meters. Mayer, Emil |
| 216831 | 1924 | Exposure meter for printing. Mayer, Emil |
| 235560 | 1924 | Camera, shutter etc. Leitz |
| 266494 | 1925 | Reflex camera. Houghton-Butcher Manufacturing Co.; Edwards, Valentine William; Dockree, Walter; Denniss, Alfred Joseph |
| 23500 | 1926 | Application number for GB281802. Houghton-Butcher Manufacturing Co.; Denniss, Alfred Joseph; Edwards, Valentine William |
| 248274 | 1926 | Sliding lens mount between fixed stops for focusing. Houghton-Butcher Manufacturing Co.; Denniss, Alfred Joseph |
| 270623 | 1926 | Describes the front standard of a folding camera with a helical lens movement, used on the Agfa Standard range. IG Farbenindustrie |
| 270823 | 1926 | General arrangement for a box camera with hinged body. Houghton-Butcher Manufacturing Co.; Denniss, Alfred Joseph; Edwards, Valentine William; Holmes, Alfred William Robert |
| 271145 | 1926 | Reflex camera. Houghton-Butcher Manufacturing Co.; Edwards, Valentine William; Dockree, Walter; Denniss, Alfred Joseph |
| 271186 | 1926 | Positioning of the diaphragm behind a simple lens. Houghton-Butcher Manufacturing Co.; Denniss, Alfred Joseph; Hainsworth, Frank All-Distance Pocket Ensign, All-Distance Ensign, Ensign All-Distance Twenty |
| 271330 | 1926 | Shutter, two blade pivoted return type. Used on the Sibyl Vitesse and Excelsior cameras. Peacock, John Atkins; Newman & Guardia |
| 273274 | 1926 | The Tessar lens. Carl Zeiss |
| 275462 | 1926 | Diaphragm shutter. Used on rim-set Compur. Deckel, Friedrich; Geiger, Martin |
| 280352 | 1926 | Pressure plate for roll-film cameras. When the cover to the red window is moved aside the springs operating the film pressure plate are flattened allowing the film to move freely. Houghton-Butcher Manufacturing Co.; Edwards, Valentine William; Denniss, Alfred Joseph No. 7 Ensign Carbine, No. 4 Ensign Carbine, Ensign Selfix '20', All-Distance Ensign, Duo-Ensign, Focal Plane Roll-film Camera |
| 281802 | 1926 | Hinged spool retaining spindle. Houghton-Butcher Manufacturing Co.; Denniss, Alfred Joseph; Edwards, Valentine William No. 7 Ensign Carbine, No. 12 Watch Pocket Carbine, No. 4 Ensign Carbine, Ensign Greyhound, All-Distance Pocket Ensign, Ensign Selfix '20' |
| 285543 | 1926 | Self-developing camera. Moore, Harry Charles |
| 285494 | 1927 | Memo roll-film camera. Ansco Photoproducts Inc. |
| 290023 | 1927 | Hinged back to a roll-film camera. Used on the Sibyl Excelsior camera. Peacock, John Atkins; Newman & Guardia |
| 295071 | 1927 | Folding strut camera. Used in the Snapshot. Dallmeyer Ltd; Carter, Harry Arthur |
| 276346 | 1928 | Exposure meters - extinction. Schlichter, Wilhelm. |
| 324831 | 1929 | Roll-film camera. Used in the Rajar 6. Amalgamated Photographic Manufacturers Ltd; Kershaw, Cecil |
| 330438 | 1929 | Use of a stencil to cut bellows. Amalgamated Photographic Manufacturers Ltd; Kershaw, Norman |
| 334220 | 1929 | Magnesium ribbon holder combined in the same case as an exposure meter. Boehm, Wilhelm |
| 338390 | 1929 | Hood on a reflex camera fitted with a pocket for the shutter of a dark-slide. Thornton-Pickard Manufacturing Co.; Pickard, Arthur Gray; Reeves, John Horace |
| 323384 | 1930 | In a roll-film camera, a pressure plate, normally held away from the film by springs, is moved into contact therewith by operation of the shutter release, and is returned to the normal position when the shutter release is freed. Houghton-Butcher Manufacturing Co.; Denniss, Alfred Joseph; Edwards, Valentine William |
| 324578 | 1930 | Flash bulb, used in the Sashalite. See also: Ostermeier, BP 357239/1931; Hauser & Co. BP 368383/1932, BP 368531/1932. Ostermeier, Johannes |
| 328952 | 1930 | In a camera having a hand operated winder for simultaneously advancing the film and setting a focal plane shutter, means is provided for automatically freeing the film winder, when it has been wound to a fresh exposure position, and allowing the shutter spindle to proceed independently until fully set for either instantaneous or time exposure. Houghton-Butcher Manufacturing Co.; Denniss, Alfred Joseph; Edwards, Valentine William |
| 345719 | 1930 | Improvements in catches or fasteners for the cases of cameras. Houghton-Butcher Manufacturing Co.; Denniss, Alfred Joseph; Edwards, Valentine William |
| 366069 | 1930 | Double ended film clip used when processing film. Purslove, Arthur Edward |
| 369833 | 1930 | The Tessar lens. Carl Zeiss |
| 346882 | 1931 | Method of constructing a camera body utilizing pressed sheet metal. Miller, Maurice |
| 348662 | 1931 | Exposure meters, describes the arrangement of scales on an extinction meter. Refers to BP 214939/1924. Bing, Joseph Mina |
| 359524 | 1931 | In a film camera in which the film is wound on setting the focal plane shutter, describes a means by which the increasing diameter of the take-up spool is compensated for to ensure that a constant length of film is wound on each operation. Houghton-Butcher Manufacturing Co.; Denniss, Alfred Joseph; Edwards, Valentine William |
| 377537 | 1931 | Improvements in lenses. The Speed Panchro. Lee, Horace William; Kapella Ltd |
| 379344 | 1931 | Arrangement of mirrors in a three-colour camera. Hillman, Albert George; Gill, Bertram Thomas; Gerrard Industries Ltd |
| 379345 | 1931 | Method of focusing all three images in a three colour camera at the same time. Hillman, Albert George; Gill, Bertram Thomas |
| 365925 | 1932 | Reflex camera Steiner, Kurt |
| 368105 | 1932 | Comparison meter using phosphorescent material. Reiss, Friedrich |
| 368260 | 1932 | Three-colour back. Oliver, Leslie Walter; Colour Photographs (British & Foreign) Ltd |
| 371252 | 1932 | Rangefinder with moveable mirror or prism moved by the focusing movement of the camera lens. Leitz |
| 378270 | 1932 | Use of a condenser lens combined with the focusing screen. Stevens, Frank Herbert |
| 378429 | 1932 | Dremo exposure meter. Drem Products Corp |
| 379954 | 1932 | Rangefinder coupling adjusted from the focusing mount of the camera lens through intermediate mechanism. Leitz |
| 380430 | 1932 | Exposure meter for printing. Drem Products Corp |
| 383233 | 1932 | Interchangeable cam rings to connect lenses of different focal length to a rangefinder. Leitz |
| 383911 | 1932 | Film re-wind knob that can be pulled clear of obstructions on the top plate. Leitz |
| 26158 | 1933 | Application number for the Purma camera. Mayo, Alfred Croger |
| 386887 | 1933 | Use of a right-angle prism behind a rangefinder eye-piece so that viewing can be at right angles to the line of sight. Leitz |
| 386888 | 1933 | Angular view-finder, Wintu etc. Leitz |
| 388997 | 1933 | Covers the focusing and rangefinder coupling used in the Prominent. Voigtländer & Sohn |
| 391953 | 1933 | Tube being one coil of a spring forming a lens hood. Lomax, Frank Sharp; Whitehead, Charles Edwin |
| 409217 | 1933 | Twin lens reflex cameras especially inclining the viewing lens to compensate for parallax. Voigtländer & Sohn |
| 410306 | 1933 | Shutter mechanism. Steenbergen, Johan; Diebel, Otto; Frauenstein, Hugo; Englisch, Emil; Schubert, Herman; Koch, Conrad |
| 414465 | 1933 | Roll-film cameras. Shutter mechanism. Steenbergen, Johan; Diebel, Otto; Frauenstein, Hugo; Englisch, Emil; Schubert, Herman; Koch, Conrad |
| 415770 | 1933 | Improvements relating to rangefinders or telemeters for photographic cameras Houghton-Butcher Manufacturing Co.; Denniss, Alfred Joseph; Edwards, Valentine William |
| 421132 | 1933 | Announcement slides for use at cinemas made of heat resisting glass, related to BP 216349/1923. Morgan, Henry Morrish |
| 423035 | 1933 | Photographic cameras; exposure meters; developing-apparatus. July 18, 1933. Describes the general form of the Compass. Billing, Noel Pemberton |
| 423226 | 1933 | Photographic lens fittings and mounts. Billing, Noel Pemberton |
| 428003 | 1933 | Stand heads. Nov. 3, 1933. Describes panoramic heads and tripod fittings. Billing, Noel Pemberton |
| 428455 | 1933 | Photographic shutters. Nov. 3, 1933. Describes the Compass shutter. Billing, Noel Pemberton |
| 430648 | 1933 | Improvements in or relating to cameras with focal-plane shutters. Application no. GB19330026158, published in 1935. Mayo, Alfred Croger |
| 15568 | 1934 | Relates to the Ensign Midget. Application number for GB436750. Houghton-Butcher Manufacturing Co.; Denniss, Alfred Joseph |
| 405208 | 1934 | Coupled rangefinder, "having a deflecting device of two refracting wedges which are rotatable in opposite directions". Zeiss Ikon A.G. |
| 412880 | 1934 | Escapement mechanism for slow shutter speeds. Leitz |
| 414992 | 1934 | Attaching a photographic camera or the like to an optical observation instrument (Microscope). Carl Zeiss |
| 419915 | 1934 | Coupled rangefinder, "having two spherical or cylindrical lenses of opposite sign mounted so as to be relatively rotatable about an axis perpendicular to the plane of measurement and producing zero deviation of the rays in the infinity position". Zeiss Ikon A.G. |
| 441980 | 1934 | Trigger release for photographic shutters. Voigtländer & Sohn |
| 445611 | 1934 | Photographic-film holders. Oct. 15, 1934. Describes a carrier for photographic films. Billing, Noel Pemberton |
| 445907 | 1934 | Photographic roll-film cameras. Application no. GB19350007981. Mayo, Alfred Croger |
| 447901 | 1934 | Photographic roll-film cameras. Billing, Noel Pemberton |
| 7981 | 1935 | Application number for the Purma camera GB445907. Mayo, Alfred Croger |
| 425415 | 1935 | Covers the Ebner camera. Ebner, Albert |
| 428449 | 1935 | Covers the Ebner camera. Ebner, Albert |
| 428516 | 1935 | Contact printer and projector. Billing, Noel Pemberton |
| 437945 | 1935 | Photographic lens fittings and mounts. Billing, Noel Pemberton |
| 452013 | 1935 | Photographic-film holders. Billing, Noel, Pemberton |
| 455365 | 1935 | Patent for the Minifex camera. |
| 459821 | 1935 | Photographic cameras; exposure meters. Zeiss Ikon A.G. |
| 461304 | 1935 | Improvements in lenses. Lee, Horace William; Kapella Ltd |
| 463943 | 1935 | Photographic roll-film cameras. Sept. 4, 1935. Describes a roll-film back. Billing, Noel, Pemberton |
| 465102 | 1935 | Photographic cameras. July 16, 1936. Describes a camera back similar to the Compass. Billing, Noel Pemberton |
| 467837 | 1935 | Photographic roll-film spools. Dec. 23, 1935. Billing, Noel Pemberton |
| 440353 | 1936 | Rangefinder in a roll-film camera. Kodak Ltd |
| 444105 | 1936 | Exposure meters - extinction. Describes the Leudi. Leber, Alois |
| 454134 | 1936 | Means of adjusting and securing the film-plane. Kodak Ltd |
| 454144 | 1936 | Tongue and groove light seal between body parts. Kodak Ltd |
| 458546 | 1936 | Photoelectric exposure meters. Macadie, Hugh Sutherland; Automatic Coil Winder & Electrical Equipment Co. Ltd |
| 473123 | 1936 | Improvements in or relating to photographic cameras with focal-plane shutters. Application no. GB19360003684. Mayo, Alfred Croger; Purma Cameras Ltd |
| 478342 | 1936 | Photographic cameras. Billing, Noel Pemberton |
| 480108 | 1936 | Improvements in or relating to carriers for photographic sensitised material. Billing, Noel Pemberton; Tapper, Ambrose Henry; Willis, Arthur George |
| 467039 | 1937 | Photoelectric exposure meter, scale and pointer designed for low-light levels. Zeiss Ikon A.G. |
| 474509 | 1937 | Motor drive attachment. Leitz |
| 475590 | 1937 | Smethurst High-Light Meter. Smethurst, Phillip Charles |
| 494527 | 1937 | Describes the Erac camera. Steward, Harry |
| 494544 | 1937 | Photographic roll-film cameras. Claimed under the convention date: 1936. Describes the Minox. Valsts Elektrotechniska Fabrica |
| 495149 | 1937 | Photographic roll-film cameras. Valsts Elektrotechniska Fabrica |
| 497301 | 1937 | Improvements in or relating to a photographic camera having light sensitive exposure diaphragm control means. Kodak Ltd |
| 500626 | 1937 | Photographic cameras, shutters. Steenbergen, Johan; Diebel, Otto; Frauenstein, Hugo; Englisch, Emil; Schubert, Herman; Koch, Conrad |
| 506749 | 1937 | Photographic lens mounts. Claimed under the convention date: 1936. Describes the Minox. Valsts Elektrotechniska Fabrica |
| 507184 | 1937 | Improvements in or relating to objectives for photographic or like purposes. Warmisham, Arthur; Wynne, Charles Gorrie; Taylor, Taylor & Hobson Ltd |
| 479453 | 1938 | Rapid film advance using a trigger and pulley. Leitz |
| 489557 | 1938 | Folding camera with four or more plates forming the body that hinge and collapse. Not present on the Compass. Billing, Noel Pemberton |
| 489960 | 1938 | Describes a shutter lock when the lens is retracted into the body of the camera. Application no. GB19370003606. Mayo, Alfred Croger; Purma Cameras Ltd; Terrett, Joseph |
| 489961 | 1938 | Describes the Purma shutter. Mayo, Alfred Croger; Purma Cameras Ltd; Terrett, Joseph |
| 490836 | 1938 | Describes the Phot-See film holder. Casler, Herman |
| 492737 | 1938 | Describes the Phot-See camera. Casler, Herman |
| 497302 | 1938 | Describes the Super Kodak Six-20 shutter. Kodak Ltd |
| 497517 | 1938 | Film advance mechanism and automatic film loading. Franke, Paul; Heidecke, Rheinhold |
| 500791 | 1938 | Photographic cameras. Claimed under the convention date: 1937. Steenbergen, Johan; Diebel, Otto; Frauenstein, Hugo; Englisch, Emil; Schubert, Herman; Koch, Conrad |
| 500866 | 1938 | Lens mounts for photographic cameras. Claimed under the convention date: 1937. Steenbergen, Johan; Diebel, Otto; Frauenstein, Hugo; Englisch, Emil; Schubert, Herman; Koch, Conrad |
| 504606 | 1938 | Motor drive attachment. Leitz |
| 508122 | 1938 | Turl Photometer. Ainger Hall, John; Schofield, Francis Harold; Turl, William George Haughton |
| 521606 | 1938 | Photographic cameras, rangefinders. Houghton-Butcher Manufacturing Co.; Parr, Bernard Arthur |
| 504008 | 1939 | Improvements in or relating to delay action mechanisms for photographic shutters. Mihalyi, Joseph |
| 507314 | 1939 | Reflex photographic cameras; lenses. Steenbergen, Johan; Diebel, Otto; Frauenstein, Hugo; Englisch, Emil; Schubert, Herman; Koch, Conrad |
| 531996 | 1941 | Photoelectric exposure meters. Sangamo Weston Ltd |
| 550631 | 1943 | Photoelectric exposure meters. Ross, T.W.; Metropolitan Vickers Electrical Ltd |
| 565768 | 1943 | Lens hood shaped as an inverted cone intended to avoid internal reflections. Peckham, Cyril George |
| 563875 | 1944 | Describes an auto-stop and film advance mechanism. Houghton-Butcher Manufacturing Co.; Hunter, Douglas Gordon |
| 587090 | 1945 | Improvements in or relating to bezel stops for lenses. Kapella Ltd; Phillips, Arthur Claud; Coltman, Douglas Claud Wynn |
| 582674 | 1946 | Patent for the SEI Photometer. Dunn, John Frederick; Platt, George Seymour |
| 614330 | 1948 | Photoelectric exposure meter, describes the Chum. Gosling, Arthur Glendower |
| 18534 | 1949 | Application number for the Wrayflex. Studdert, Maurice Eyre Persse; Wray Cameras Ltd |
| 18535 | 1949 | Application number for the Wrayflex. Studdert, Maurice Eyre Persse; Wray Cameras Ltd |
| 32138 | 1949 | Application number for the Wrayflex. |
| 625988 | 1949 | Photoelectric exposure meters. Macadie, Hugh Sutherland; Automatic Coil Winder & Electrical Equipment Co. Ltd |
| 662407 | 1949 | Shirley Wellard re-loadable cassette. Dye, William Charles; Bennett, George Henry Phillip; Quemby, James Charles; Buck, William James Henry Shirley-Wellard Universal Cassette, Shirley-Wellard Universal Cassette |
| 642319 | 1950 | Covers film winding movement and connection to the shutter. Application no. GB19470016000. Mayo, Alfred Croger |
| 691103 | 1950 | Reflex camera. Describes the Wrayflex. Application no. GB19490018534. Studdert, Maurice Eyre Persse; Wray Cameras Ltd |
| 691170 | 1950 | Reflex camera. Describes the Wrayflex. Application no. GB19520016662. Studdert, Maurice Eyre Persse; Wray Cameras Ltd |
| 698409 | 1950 | Reflex camera. Describes the Wrayflex. Application no. GB19490018535. Studdert, Maurice Eyre Persse; Wray Cameras Ltd |
| 661288 | 1951 | Spool used in roll-film developing tanks fitted with teeth to grip the sprocket holes in 35 mm film. Paterson, Donald Macdougal |
| 661356 | 1951 | Spool used in roll-film developing tanks fitted with ball bearings or rollers to grip the film. Originally part of 661288. Paterson, Donald Macdougal |
| 681965 | 1952 | Describes the Minicord. Istegstahl GmbH |
| 744962 | 1952 | Photographic shutters combined with exposure calculators. Deckel, Hans; Deckel, Friedrich W. |
| 689916 | 1953 | Lens design. Wray (Optical Works) Ltd; Wynne, Charles Gorrie |
| 701368 | 1953 | Describes a pin used to prevent the shutter from being released on the Purma Plus. Purma Cameras Ltd |
| 722838 | 1953 | Photographic cameras with flashlight synchronizers. Application no. GB19520011460. Lindsay Leslie is given as inventor. Reid & Sigrist Ltd |
| 728741 | 1955 | Covers the reflex focusing arrangement of the Peckham Wray camera. Peckham, Cyril George |
| 789021 | 1955 | Photographic cameras. Adox Kamerwerk G M B H |
| 756816 | 1956 | Roll-film developing tanks where the liquid is poured in and out of a central hole. Paterson, Donald Macdougal |
| 762641 | 1956 | Covers the Tessina camera. Steineck, Rudolf |
| 808732 | 1959 | Patent for the Stylophot camera. |
| 820413 | 1959 | Describes the shutter release and film advance mechanism of the Agimatic. Aeronautical & General Instruments |