| Patents for G03G 21 - Arrangements not provided for by groups , e.g. cleaning, elimination of residual charge (34,276) |
|---|
| 03/07/1978 | US4077711 Electrophotographic copying apparatus of wet developing type |
| 02/28/1978 | US4076564 Roughened imaging surface for cleaning |
| 02/28/1978 | US4076409 Belt type sensitive member unit |
| 02/28/1978 | US4076408 Collating document feeder with multiple feed detector |
| 02/28/1978 | US4076402 Electrophotographic apparatus with detachable photoconductive drum |
| 02/07/1978 | US4072521 Amides of ω -- and cis alkenoic acids in imaging process and element |
| 02/07/1978 | US4072415 Apparatus of generating control signals for controlling an operation of an electrophotographic copying machine |
| 02/07/1978 | US4072211 Driving device for a moving body |
| 01/31/1978 | US4071721 Sequential controller |
| 01/31/1978 | US4071361 Electrostatic image |
| 01/31/1978 | US4071296 Electrostatic-copier cleaning device |
| 01/17/1978 | US4069486 Single array ink jet printer |
| 01/17/1978 | US4068942 Advanced photoreceptor |
| 01/10/1978 | USRE29514 Programming control system for printing machine |
| 01/10/1978 | US4067649 Method and apparatus for controlling the duplex copy mode in an electrostatic copying device |
| 01/03/1978 | US4066280 Documents of value printed to prevent counterfeiting |
| 12/20/1977 | US4063813 Method for exposing a light sensitive member |
| 12/20/1977 | US4063811 Electrophotographic copier |
| 12/20/1977 | US4063809 Photoconductor support drum for photocopy machine |
| 12/13/1977 | US4062658 Composition and method for repairing selenium photoreceptors |
| 11/15/1977 | US4058850 Programmable controller |
| 11/15/1977 | US4058815 Duplicator machine |
| 11/08/1977 | US4057348 Copying apparatus |
| 11/08/1977 | US4057343 Electrostatic copying machine with multi-frame drum assembly |
| 11/08/1977 | US4057341 Duplicator |
| 11/01/1977 | US4056315 Squeeze roller retraction assembly |
| 10/18/1977 | US4054381 Toner filter arrangement |
| 10/18/1977 | US4054380 Control system for high speed copier/duplicators |
| 10/11/1977 | US4053221 Multi-mode reproducing apparatus |
| 10/04/1977 | US4052054 Sequential load dual document feed |
| 09/27/1977 | US4051538 Ink jet copier |
| 09/27/1977 | US4051536 Electronic halftone imaging system |
| 09/06/1977 | US4046682 Toner reclaiming system |
| 09/06/1977 | US4046471 Dual mode electrophotographic apparatus having dual function printing beam |
| 08/30/1977 | US4045134 Photosensitive member for use in electrophotographic apparatus and method of manufacturing the same |
| 08/23/1977 | US4044385 Printing plate production apparatus |
| 08/23/1977 | US4044232 Electronic copy selection controls for a document reproduction machine |
| 08/23/1977 | US4043664 Interlinear feeder for copying machine |
| 08/23/1977 | US4043659 Cleaning blade toner arrestor |
| 08/16/1977 | US4042415 Method for scraping liquids from a moving surface |
| 08/09/1977 | US4040732 Photoconductor belt and drum arrangement for photocopying apparatus |
| 07/26/1977 | USRE29323 Electrophotographic copying apparatus |
| 07/19/1977 | US4036556 Preconditioning image transfer areas in document reproduction machines |
| 07/12/1977 | US4035750 Electrophotographic apparatus having improved photoconductor regenerative structure and procedure |
| 07/12/1977 | US4035612 Circuit for detecting trouble in electric lines connecting relatively movable circuits |
| 07/12/1977 | US4035072 Programmable controller for controlling reproduction machines |
| 07/12/1977 | US4035071 Developing process and apparatus for electrophotography |
| 07/12/1977 | US4035069 Exposure and development system for electrophotography |
| 07/05/1977 | US4033695 Process and apparatus for copying on printing plates |
| 07/05/1977 | US4033692 Multi-mode reproducing machine |
| 06/28/1977 | US4032229 Construction of electrophotographic copying machines with a cleaning unit for photosensitive surface |
| 06/28/1977 | US4032228 Foreign object detector/brush cleaner |
| 06/28/1977 | US4032196 Process for treating pile materials made into electrophotographic toner removal brushes |
| 06/21/1977 | US4031519 Printer |
| 06/21/1977 | US4030824 Reproducing apparatus having an improved imaging surface cleaning system |
| 06/14/1977 | US4029414 Method and device for recording copier usage data |
| 06/14/1977 | US4029309 Set transport and stacker |
| 06/14/1977 | US4029047 Toner handling system |
| 06/07/1977 | US4027621 Developing system for electrostatic reproduction machines |
| 05/31/1977 | US4027201 Apparatus and method for neutralizing static charges in sheet/web feeding devices |
| 05/31/1977 | US4026701 Gas impingement and suction cleaning apparatus |
| 05/31/1977 | US4026648 Cleaning device for use in electrophotographic copying apparatus |
| 05/31/1977 | US4026543 Document article handling control |
| 05/24/1977 | US4025673 Method of forming copy resistant documents by forming an orderly array of fibers extending upward from a surface, coating the fibers and printing the coated fibers and the copy resistant document resulting from said method |
| 05/24/1977 | US4025186 Web indicia for synchronizing control apparatus for electrophotographic apparatus utilizing digital computer |
| 05/24/1977 | US4025181 Screen cleaning device |
| 05/17/1977 | US4023901 Reproduction machine service control |
| 05/03/1977 | US4021709 Method and device for charging an electrophotographic photosensitive material |
| 05/03/1977 | US4021113 Cleaning device for electrostatic copiers |
| 04/19/1977 | US4019028 Printing machine with variable counter control system |
| 04/19/1977 | US4018524 Construction for use with an electrophotographic copying machine of wet developing type |
| 04/12/1977 | US4017170 Electrophotographic device |
| 03/29/1977 | US4014609 Programmable controller for controlling reproduction machines |
| 03/29/1977 | US4014065 Magnetic developer removal system |
| 03/22/1977 | US4013358 Device for adjusting starting position for transfer-type electrophotographic reproducing apparatus having belt-like photosensitive member |
| 03/22/1977 | US4013041 Self-compensating photoconductor web |
| 03/15/1977 | US4012666 Method of and device for the removal of electrostatic charges |
| 03/15/1977 | US4012138 Electrostatic photographic copying apparatus |
| 03/15/1977 | US4012032 Document reproduction having output means with plural outputs operable in a plurality of modes |
| 03/15/1977 | US4011835 Toner conveyor |
| 03/08/1977 | US4011012 Operation control device for copying apparatus |
| 03/01/1977 | US4010288 Method of preventing evaporation of liquid on an image-bearing member |
| 03/01/1977 | US4009958 Belt support structure in copying machine |
| 03/01/1977 | US4009957 Copy paper feed system |
| 03/01/1977 | US4009954 Electrostatic copier |
| 02/22/1977 | US4009332 Memory management system for an ink jet copier |
| 02/15/1977 | US4007983 Liquid developer cleaning means |
| 02/15/1977 | US4007982 Method and apparatus for ultrasonically cleaning a photoconductive surface |
| 02/15/1977 | US4007981 Dual mode electrostatographic printing machine |
| 02/08/1977 | US4006987 Apparatus for cleaning a residual toner on an electrostatic recording medium |
| 02/01/1977 | US4005512 Treating a pile substrate with an alkali metal salt |
| 01/25/1977 | US4004714 Dry developing mechanism |
| 01/18/1977 | US4003651 System for recording images received by facsimile |
| 01/18/1977 | US4003649 Electrophotographic halftone printing machine employing a phase screen |
| 01/18/1977 | US4003569 Last copy detection |
| 01/11/1977 | US4002409 Chain feed control logic for a multi-mode copier/duplicator |
| 01/04/1977 | US4000943 Two speed, duel purpose document handling system |
| 12/28/1976 | US3999850 Optical system for an electrophotographic device |
| 12/21/1976 | US3998547 Process and apparatus for automatically changing the illumination intensity of the light source in a copying apparatus |
| 12/21/1976 | US3998543 Dual optical projection system for copying machines |