| Patents for G03G 21 - Arrangements not provided for by groups , e.g. cleaning, elimination of residual charge (34,276) |
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| 02/15/1983 | US4373800 Wet type electrophotographic copying machine |
| 02/09/1983 | EP0071145A2 Electrostatic copying apparatus |
| 02/08/1983 | US4372676 Electrophotographic copying machine |
| 02/08/1983 | US4372675 Variable power fuser control |
| 02/08/1983 | US4372669 Electrophotographic printing machine |
| 02/08/1983 | CA1140813A1 Method for developing and fixing an inverted image |
| 02/03/1983 | WO1983000395A1 Diffractive subtractive color filter responsive to angle of incidence of polychromatic illuminating light |
| 01/26/1983 | EP0070742A2 Copy paper feeding device for a copying apparatus |
| 01/25/1983 | US4370051 Actuating means for separator pawl |
| 01/25/1983 | US4370050 Image transfer type copying apparatus with pre-transfer cleaning of transfer paper |
| 01/25/1983 | CA1140201A1 Multi-mode electrostatographic printing machine |
| 01/25/1983 | CA1140200A1 Apparatus and method for diagnostic entry |
| 01/25/1983 | CA1140171A1 Recirculating document handler configuration |
| 01/18/1983 | US4369461 Method and apparatus for forming images |
| 01/11/1983 | US4367944 Charging potential control means for electrophotographic copiers |
| 01/11/1983 | CA1139356A1 Shingle sheet stacking for duplex |
| 01/05/1983 | EP0068872A1 Display device for copying apparatus |
| 01/05/1983 | EP0068624A1 An electrophotographic printing machine |
| 01/04/1983 | US4367036 Temperature and humidity compensating device in an image forming apparatus |
| 01/04/1983 | US4367031 Edge guide for belt tracking |
| 12/28/1982 | US4366220 Electrostatic image recording process using prehisteresis uniform charging and light exposure pretreatment |
| 12/28/1982 | US4366219 Reproduction of documents |
| 12/28/1982 | US4365894 Method for controlling toner concentration |
| 12/28/1982 | US4365889 Document handling unit |
| 12/28/1982 | US4365888 Electrostatic copying apparatus |
| 12/28/1982 | US4365887 Sheet distribution method and apparatus |
| 12/28/1982 | US4365886 Electrostatic copying apparatus with an attachment to enable two-sided copying |
| 12/28/1982 | US4365885 Apparatus for removing unnecessary charges on a photosensitive member in an electrophotographic system |
| 12/28/1982 | CA1138523A1 Copier scan and collator back bar control |
| 12/21/1982 | US4364661 Process and apparatus for transferring developed electrostatic images to a carrier sheet, improved carrier sheet for use in the process and method of making the same |
| 12/21/1982 | US4364660 Apparatus for and method of cleaning a photo-sensitive body with cleaning blade brought gradually into contact with body |
| 12/21/1982 | US4364329 Electrophotographic device |
| 12/14/1982 | US4363858 Photoconductive belt joint |
| 12/14/1982 | US4363550 Recording sheet separating device in a transfer-type electronic copying machine |
| 12/14/1982 | CA1137538A1 Replenishable photoconductor system |
| 12/07/1982 | US4362797 Semiconductors, duplication, erasing |
| 12/07/1982 | US4362379 Apparatus suitable for producing duplex copies from simplex originals |
| 12/07/1982 | US4361922 Cleaning brush for electrostatic copiers, printers and the like |
| 11/30/1982 | US4361397 Cleaning apparatus for an electrostatic recording machine |
| 11/30/1982 | US4361396 Collecting apparatus for scattering toner |
| 11/30/1982 | US4361395 Exposure adjustment device for electrostatic copying apparatus |
| 11/30/1982 | US4360944 Toner transporting device for an electrostatic recording apparatus |
| 11/23/1982 | US4360261 Exposure apparatus for copying machines |
| 11/16/1982 | US4359670 Lamp intensity control apparatus comprising preset means |
| 11/16/1982 | US4359484 Coating with a thin layer of a metallic soap |
| 11/16/1982 | CA1135561A1 Duplicating machine with duplexing capability |
| 11/09/1982 | US4358520 Measurement of dark and light region potentials |
| 11/09/1982 | US4358197 Very high speed duplicator with limitless finishing function |
| 11/09/1982 | CA1135326A1 Document handler |
| 11/09/1982 | CA1135325A1 Printing or copying apparatus |
| 11/02/1982 | US4357627 Method and apparatus for improving resolution of scophony scanning system utilizing carrier phase reversal |
| 11/02/1982 | US4357098 Electrostatic recording apparatus |
| 11/02/1982 | US4357097 Electrostatic recording apparatus having a toner recovering device |
| 11/02/1982 | US4357093 Photoconductor tensioning device |
| 11/02/1982 | CA1134897A1 Cleaning device in a copying machine |
| 10/28/1982 | WO1982003702A1 Electrophotographic copying machine |
| 10/26/1982 | US4355886 Polyvinyl acetal coated carrier particles for magnetic brush cleaning |
| 10/26/1982 | US4355885 Image forming apparatus provided with surface potential control device |
| 10/26/1982 | US4355882 Multiple function reproduction apparatus |
| 10/26/1982 | US4355880 Forward order document copying method |
| 10/26/1982 | CA1134430A1 Pneumatic system for supporting and steering a belt |
| 10/26/1982 | CA1134429A1 Pneumatic system for supporting a photoconductive surface |
| 10/19/1982 | US4354756 Copying apparatus |
| 10/12/1982 | US4353639 Device for removing developer liquid from a recording material |
| 10/12/1982 | US4353542 Sheet collection apparatus and sorters incorporating same |
| 10/12/1982 | CA1133576A1 Method and apparatus for generating duplex copies electrophotographically from simplex originals |
| 10/12/1982 | CA1133575A1 Electrophotographic reproduction process |
| 10/05/1982 | US4352706 To prevent counterfeiting |
| 10/05/1982 | US4352553 Quality control copying apparatus |
| 10/05/1982 | CA1133046A1 Job recovery method and apparatus |
| 09/29/1982 | EP0061265A1 Transfer-type electrostatic copying method |
| 09/29/1982 | EP0061145A1 Pulley for cogged belt and method for producing same |
| 09/28/1982 | US4351606 Variable magnification optical system for use in electrophotographic printing |
| 09/28/1982 | US4351603 Electronic copying apparatus |
| 09/28/1982 | US4351547 Security document and method for making same using an alternating dot pattern |
| 09/28/1982 | CA1132650A1 Cleaning particles from a photoconductive member |
| 09/22/1982 | EP0060519A2 Power source device |
| 09/21/1982 | US4350750 Electrophotographic process |
| 09/21/1982 | US4350436 Feed control device |
| 09/21/1982 | US4350435 Copy contrast and density control |
| 09/21/1982 | US4350434 Electrophotographic copying machine |
| 09/21/1982 | CA1132183A1 Photoconductive belt assembly |
| 09/21/1982 | CA1132180A1 Belt support and control system |
| 09/21/1982 | CA1132179A1 Lead edge transfer switching |
| 09/21/1982 | CA1132177A1 Copy set counter duplex tray |
| 09/21/1982 | CA1132149A1 Recirculating simplex-duplex document handler |
| 09/21/1982 | CA1131967A1 Optical system for providing visual aid for proper magnification selection |
| 09/14/1982 | US4349270 Developer removing device for copying apparatus |
| 09/07/1982 | US4348103 Cleaning apparatus for photosensitive member of electrophotographic copying machine |
| 09/07/1982 | US4348101 Duplex printing apparatus |
| 09/01/1982 | EP0059083A2 Electrophotographic printing machine and method |
| 09/01/1982 | EP0059081A2 Display device for a machine |
| 08/24/1982 | CA1130364A1 Automatic multimode continuous halftone line copy reproduction |
| 08/18/1982 | EP0057987A1 Display device for photocopiers |
| 08/17/1982 | US4344699 Exposure and contrast determination by prescanning in electronic photoprinting systems |
| 08/17/1982 | US4344697 Copying machine |
| 08/17/1982 | US4344693 Belt tracking system |
| 08/17/1982 | US4344691 Zonal concentrator for accurate erasure of photoconductor charge |
| 08/17/1982 | US4344614 Collator |
| 08/17/1982 | CA1129941A1 Table top copy machine |