| Patents for G03G 15 - Apparatus for electrographic processes using a charge pattern (115,618) |
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| 07/25/1978 | US4102681 Electrophotographic printing, permanent fixing of powder pattern |
| 07/25/1978 | US4102570 Transfer type copier |
| 07/25/1978 | US4102306 Developing roller and rinsing device |
| 07/25/1978 | US4102305 Development system with electrical field generating means |
| 07/18/1978 | US4101909 Magnetic inking apparatus for pulsed electrical printing |
| 07/18/1978 | US4101908 Adjustable mount for electrostatic printer stylus within cylindrical printing roller |
| 07/18/1978 | US4101686 Polydialkyl siloxanes |
| 07/18/1978 | US4101267 Roll fuser cleaning system |
| 07/18/1978 | US4101266 Fire prevention device for the fixing stage of an electrophotographic machine |
| 07/18/1978 | US4101218 Electronic copying apparatus |
| 07/18/1978 | US4101217 Automatic color printing apparatus |
| 07/18/1978 | US4101214 Toner dispensing device with electrical integrating circuit |
| 07/18/1978 | US4101213 Zoom lens copier |
| 07/18/1978 | US4101212 Image transfer complementary apparatus for electrophotographic copying machine |
| 07/18/1978 | US4101211 Magnetic curtain seal for development apparatus |
| 07/18/1978 | US4100884 Rubber developer roller using single component toner |
| 07/11/1978 | US4100611 Apparatus for controlling airborne particle emission |
| 07/11/1978 | US4100572 Optical method and apparatus for carrying out the method |
| 07/11/1978 | US4100552 Recording apparatus for a voltage sensitive recording system |
| 07/11/1978 | US4100411 Biasing arrangement for a corona discharge device |
| 07/11/1978 | US4099866 Focal adjustment on a single-focus lens in a continuously variable magnification system |
| 07/11/1978 | US4099863 Improved electrographic process for producing a plurality of copies |
| 07/11/1978 | US4099860 Copier/duplicator priority interrupt apparatus |
| 07/11/1978 | US4099487 Roller with adjustable length |
| 07/11/1978 | US4099484 Pressure fixing apparatus for electrophotography |
| 07/11/1978 | US4099312 Elastomeric roll with sealed ends |
| 07/04/1978 | US4099254 Method and apparatus for electronic collation |
| 07/04/1978 | US4099150 Apparatus for producing duplex collated copies |
| 07/04/1978 | US4098631 Filling mold with elastomer, hardening |
| 07/04/1978 | US4098552 Copying machine |
| 07/04/1978 | US4098551 Both side copying machine |
| 07/04/1978 | US4098501 Cassette type sheet feed apparatus for copying machine or the like |
| 07/04/1978 | US4098228 High speed magnetic brush development system |
| 07/04/1978 | US4098227 Biased flexible electrode transfer |
| 07/04/1978 | US4098158 Method of and apparatus for severing strips of material |
| 06/27/1978 | US4097846 Data storage and retrieval system |
| 06/27/1978 | US4097139 Reproducing machine having interchangeable developer housings |
| 06/27/1978 | US4097138 Photoconductive belt incrementing apparatus |
| 06/27/1978 | US4097041 Sheet feeding apparatus |
| 06/27/1978 | US4096826 Magnetic brush development system for flexible photoreceptors |
| 06/20/1978 | US4096543 Corona discharge device with grid grounded via non-linear bias element |
| 06/20/1978 | US4096489 Electrostatic-recording gas discharge device with improved scanning stability |
| 06/20/1978 | US4095980 Drum cleaning method and apparatus for electrostatography |
| 06/20/1978 | US4095979 Method and apparatus for producing duplex copies |
| 06/20/1978 | US4095895 Method and means for preventing edge shadow effects during episcopic exposure of an original |
| 06/20/1978 | US4095890 Xerographic copying apparatus |
| 06/20/1978 | US4095889 Exposure system for an electrophotographic printing machine |
| 06/20/1978 | US4095888 Color electrophotography apparatus |
| 06/20/1978 | US4095887 Detector circuit for electrophotographic copier |
| 06/20/1978 | US4095886 Process and apparatus for fixing images |
| 06/20/1978 | US4095885 Polarity switch circuit for copying apparatus |
| 06/20/1978 | US4095884 Exposure controlling apparatus for electrophotographic copying machine |
| 06/20/1978 | US4095883 Magnetic mixing apparatus and process |
| 06/20/1978 | US4095881 Efficient illumination system |
| 06/20/1978 | US4095880 Extended range variable magnification reproduction machine |
| 06/20/1978 | US4095879 Color copying apparatus |
| 06/20/1978 | US4095782 Collating apparatus |
| 06/13/1978 | US4095233 Method for forming a charge pattern |
| 06/13/1978 | US4094674 Method of fixing a toner powder image on a sheet of material |
| 06/06/1978 | US4093955 Well-logging camera using modulated laser light path for exposing in camera processable electrographic film |
| 06/06/1978 | US4093456 Process and device for electrophotographic image generation and application of the process |
| 06/06/1978 | US4093375 Methods and apparatus for automatic exposure control |
| 06/06/1978 | US4093374 Multiple range variable magnification reproduction machine |
| 06/06/1978 | US4093372 Pre-separated recirculating document copying system |
| 06/06/1978 | US4093368 Electrographic apparatus |
| 06/06/1978 | US4093367 Imaging apparatus |
| 06/06/1978 | US4092954 High speed tank development system |
| 05/30/1978 | US4092165 Method of making a donor member mold |
| 05/30/1978 | US4092160 Ion modulator having bias electrode for regulating control fields |
| 05/30/1978 | US4092099 Copier paper delivery means in a heat-fixing device of a copying machine |
| 05/30/1978 | US4092066 Projection device for use in copying machine |
| 05/30/1978 | US4092065 Screen drum type electrographic apparatus having a correcting lens to produce an image of equal length and aspect relative to the original |
| 05/30/1978 | US4092021 Unfused image transport |
| 05/30/1978 | US4091765 Developing and fusing apparatus |
| 05/30/1978 | US4091673 Temperature sensor for use in a heated roll |
| 05/23/1978 | US4091404 Apparatus for developing photosensitive material |
| 05/23/1978 | US4090876 Color corrected latent electrostatic images formed using ion-beam screen, plural exposures |
| 05/23/1978 | US4090787 Automatic copier mode controls |
| 05/23/1978 | US4090786 Multi-color screen for electrophotographic printing |
| 05/23/1978 | US4090704 Registration station |
| 05/16/1978 | USRE29632 Electrophotographic device |
| 05/16/1978 | US4090108 Interface system to control flash lamp |
| 05/16/1978 | US4089602 Automatic shutdown system for electrophotographic apparatus |
| 05/16/1978 | US4089601 Disposable toner cartridge for copying machines |
| 05/16/1978 | US4089600 Corona discharge device for electrophotographic copying machine |
| 05/16/1978 | US4089516 Multibin, cut-sheet xerographic copier |
| 05/16/1978 | US4089378 Copy paper exhausting roller unit for use in electrophotographic copying machine |
| 05/16/1978 | US4089297 Developing apparatus of magnetic brush type for electrophotographic reproduction |
| 05/09/1978 | US4088892 Corona charging apparatus and method |
| 05/09/1978 | US4088891 Electrostatic aperture printing |
| 05/09/1978 | US4088872 Repeating mechanism for a copying apparatus |
| 05/09/1978 | US4088868 Fuser cooling system |
| 05/09/1978 | US4088483 Electrophotographic plate with charge transport overlayer |
| 05/09/1978 | US4088481 Duplication |
| 05/09/1978 | US4088403 Replenishable photosensitive system |
| 05/09/1978 | US4088402 Photocopying apparatus with magnetic brush developer and sheet guide |
| 05/09/1978 | US4088092 Toner density sensing apparatus for electrostatic copying machine |
| 05/02/1978 | US4087828 Process for the storage and reproduction of information |
| 05/02/1978 | US4087827 Electrode and multi-electrode recording head for a graphic recording apparatus |
| 05/02/1978 | US4087826 Pulsed electrical printer with dielectrically isolated electrode |