| Patents for G03G 21 - Arrangements not provided for by groups , e.g. cleaning, elimination of residual charge (34,276) |
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| 12/21/1976 | US3998538 Electrometer apparatus for reproduction machines |
| 12/14/1976 | US3997873 Multiterminal monitoring system |
| 12/14/1976 | US3997262 Electrophotographic copying apparatus |
| 11/16/1976 | US3992091 Roughened imaging surface for cleaning |
| 11/16/1976 | US3991992 Photoelectrophoretic web machine servo drive system |
| 11/09/1976 | US3990907 Method of removing vacuum evaporated selenium photoresponsive layer from base material of drum of electrophotgraphic apparatus |
| 11/02/1976 | US3989930 Multi-mode billing system controlled by copy size and document original size |
| 11/02/1976 | US3989372 Photoconductor cleaning stations |
| 11/02/1976 | US3989371 Duplicator |
| 11/02/1976 | US3989370 Adaptive fuser controller |
| 10/26/1976 | US3988018 Paper sorter |
| 10/19/1976 | US3986872 Method of increasing the image exposure and developing sensitivity of magneto-electric printing system |
| 10/12/1976 | US3985436 Electrophotographic copying apparatus |
| 10/05/1976 | US3983841 Toner reclaim conveyor |
| 09/21/1976 | US3982043 Triboelectric filter and method of using it in an electrophotographic printer |
| 09/21/1976 | US3981580 Method and a system for concurrently copying both sides of an original |
| 09/21/1976 | US3981578 Electrophotographic copying machine with seamless image forming and transfer band |
| 09/14/1976 | US3980296 Duplicating machine employing image reversing optical paths with front edge document alignment on document input and output |
| 09/07/1976 | US3979759 Process and apparatus for electrographic recording utilizing contact liquid |
| 08/31/1976 | US3977898 Method for cleaning a support surface |
| 08/31/1976 | US3977785 Method and apparatus for inhibiting the operation of a copying machine |
| 08/31/1976 | US3977782 Warmth keeping method for copying machine |
| 08/31/1976 | US3977778 Electrophotographic apparatus |
| 08/24/1976 | US3976375 Electrostatic copying machine |
| 08/17/1976 | US3975096 Electrophotographic copying machines |
| 08/17/1976 | US3974974 Back tension imparting device |
| 08/17/1976 | US3974952 Web tracking apparatus |
| 08/10/1976 | US3974363 Programmable billing system |
| 08/10/1976 | US3973845 Method of reducing friction in blade cleaning of imaging surfaces |
| 08/10/1976 | US3973843 Electrostatographic imaging apparatus |
| 07/27/1976 | US3971919 Programmable billing system |
| 07/27/1976 | US3971553 Automatic sheet changing system for reprographic machines |
| 07/20/1976 | US3969785 Residual toner removing apparatus |
| 07/06/1976 | US3967818 Duplicating system |
| 06/29/1976 | US3966316 Electrostatic copying machine with removable copying drum |
| 06/29/1976 | US3965524 Residual toner removing apparatus |
| 06/01/1976 | US3960446 Electrostatic copying apparatus |
| 06/01/1976 | US3960306 Driving mechanism for endless sensitive member |
| 05/25/1976 | US3958879 Belt type sensitive member unit |
| 05/18/1976 | US3957509 Reproduction |
| 05/11/1976 | US3955235 Scavanging apparatus for an electrostatic copier |
| 04/20/1976 | US3951542 Developer conveyor device |
| 04/20/1976 | US3951541 Duplicator processor |
| 04/20/1976 | US3951540 Electrophotographic copier of transfer type |
| 04/13/1976 | US3950682 Digital dc motor velocity control system |
| 04/13/1976 | US3950092 Impeller member for use in transporting particulate material in a reproducing machine |
| 04/13/1976 | US3950089 Coated roll for magnetic brush development and cleaning systems |
| 04/06/1976 | US3948510 Sheet jam detector for electrophotographic copying machine |
| 04/06/1976 | US3948130 Device for controlling the feed of copying material in copying machines |
| 03/30/1976 | US3947270 Reproducing apparatus and process for duplex imaging in a single pass |
| 03/30/1976 | US3947190 Electrophotographic apparatus for recording images in superimposed relationship |
| 03/30/1976 | US3947108 Cleaning system |
| 03/30/1976 | US3946920 Vacuum system control |
| 03/16/1976 | US3944794 Copying system control |
| 03/16/1976 | US3944365 Document feeding apparatus and latching mechanism |
| 03/16/1976 | US3944360 Programmable controller for controlling reproduction machines |
| 03/16/1976 | US3944359 Programmable controller for controlling reproduction machines |
| 03/16/1976 | US3944356 Charging apparatus |
| 03/16/1976 | US3944207 Limitless sorter |
| 03/09/1976 | US3942889 Residual toner removing apparatus |
| 03/02/1976 | US3941472 Photosensitive drum for electrophotographic copying machines |
| 02/24/1976 | US3940282 Blade cleaning of surfaces with reverse movement |
| 02/24/1976 | US3940210 Programmable controller for controlling reproduction machines |
| 02/24/1976 | US3940039 Retainer for a shoulder sling |
| 02/03/1976 | US3936658 Fuser apparatus for electrostatic reproducing machines |
| 02/03/1976 | US3936183 Electrophotographic copying machine with improved cleaning blade |
| 02/03/1976 | US3936182 Control arrangement for an electrostatographic reproduction apparatus |
| 02/03/1976 | US3936180 Xerographic apparatus with sample print capabilities |
| 02/03/1976 | US3936176 Device for maintaining a developability regulating apparatus contaminant free |
| 02/03/1976 | US3936041 Automatic original supply device for electronic copying apparatus |
| 01/20/1976 | US3933490 Improvements in transfer electrophotography |
| 01/20/1976 | US3932910 Toner cleaning apparatus in electrophotographic copying machine |
| 01/13/1976 | US3932877 Electrophotographic recording system with plate cleaning |
| 01/06/1976 | US3930925 Master plate treating device for a duplicating machine |
| 01/06/1976 | US3930853 Accelerating aging method for selenium-arsenic photoconductors |
| 01/06/1976 | US3930852 Electrophotographic sensitive member with attaching means |