| Patents for G03G 15 - Apparatus for electrographic processes using a charge pattern (115,618) |
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| 04/17/1979 | US4149485 Apparatus for forming a uniform liquid film on a roller |
| 04/17/1979 | CA1052854A1 Copying apparatus |
| 04/17/1979 | CA1052636A1 Electrically floating electrode in an electrophotographic development method and apparatus |
| 04/17/1979 | CA1052635A1 Method and apparatus for developing an electrostatic latent image on an electrophotographic film |
| 04/17/1979 | CA1052634A1 Method and apparatus for developing an electrostatic latent image on an electrophotographic film |
| 04/17/1979 | CA1052606A1 Aperture card enlarger-printer with margin adjustment |
| 04/17/1979 | CA1052559A1 Magnetic brush developing apparatus |
| 04/10/1979 | US4148581 Shutter opening and closing mechanism for an electrographic apparatus |
| 04/10/1979 | US4148577 Bias voltage adjusting means for electrographic apparatus |
| 04/10/1979 | US4148274 Processing apparatus |
| 04/10/1979 | CA1052405A1 Sprocket drive and stripper arrangement for computer form feeder apparatus |
| 04/03/1979 | US4148043 Two-color electrostatic printing apparatus |
| 04/03/1979 | US4148042 Electrographic copier with one-piece belt and styli |
| 04/03/1979 | US4148009 Method and apparatus for electronically retouching |
| 04/03/1979 | US4147949 Apparatus for X-ray radiography |
| 04/03/1979 | US4147948 Apparatus for X-ray radiography |
| 04/03/1979 | US4147936 Method of making tomographic images of X-rayed objects |
| 04/03/1979 | US4147922 Device for fixing a toner image |
| 04/03/1979 | US4147832 Fixing roller |
| 04/03/1979 | US4147541 Electrostatic imaging member with acid lubricant |
| 04/03/1979 | US4147540 Color electrophotographic developer system employing one carrier having a coating of resin and copper tetra-4-(octadecylsulfonomido)phthalocyanine |
| 04/03/1979 | US4147501 Fixing device |
| 04/03/1979 | US4147426 Electrostatic photographic copying machine |
| 04/03/1979 | US4147401 Polygonal mirror holder and drive assembly |
| 04/03/1979 | US4147128 Apparatus for cleaning and developing dielectric receptor sheets |
| 04/03/1979 | US4147127 Toner concentration detecting apparatus |
| 04/03/1979 | CA1051967A1 Multi-color original for an electrophotographic printing system |
| 04/03/1979 | CA1051935A1 Sheet feeding apparatus |
| 04/03/1979 | CA1051811A1 Document belt with imperforate bands |
| 04/03/1979 | CA1051725A1 Electrostatic duplicating method and apparatus utilizing wet-developing |
| 04/03/1979 | CA1051652A1 Electrostatic development system with passive storage capacity |
| 03/27/1979 | US4146898 Non-contact magnetic toner transfer system |
| 03/27/1979 | US4146822 Electrophotographic copier |
| 03/27/1979 | US4146789 Multi-pin electrode assembly |
| 03/27/1979 | US4146659 Fusing toner on fuser members made of noble metals and alloys thereof |
| 03/27/1979 | US4146325 Method and apparatus for visualization of electrostatic images |
| 03/27/1979 | US4146324 Liquid developing device in electrophotographic copying apparatus |
| 03/27/1979 | US4146323 Auger for a development system |
| 03/27/1979 | US4146219 Document transport apparatus |
| 03/27/1979 | US4146218 Document counter |
| 03/27/1979 | US4145965 Rollers for fixing a developed image in an electrophotographic copying machine |
| 03/27/1979 | CA1051505A1 Coated electrode for corona generator |
| 03/27/1979 | CA1051504A1 Electrographic recording stylus |
| 03/27/1979 | CA1051503A1 Segmented bias roll |
| 03/27/1979 | CA1051470A1 Detaching device for a sheet-shaped copy support |
| 03/27/1979 | CA1051349A1 Intermixed pitches in a buffered printer |
| 03/27/1979 | CA1051263A1 Removal of carrier beads from photosensitive drum |
| 03/21/1979 | EP0001128A1 Electrophotographic copying machine |
| 03/20/1979 | US4145599 Fixing device of electrophotographic copying machine |
| 03/20/1979 | US4145181 Apparatus to facilitate jam recovery and hot roll reversal in a fusing assembly |
| 03/20/1979 | US4145136 Scanning system for an electrostatic copying apparatus |
| 03/20/1979 | US4144839 Feeding device for supplying developer powder to a magnetic drum |
| 03/20/1979 | US4144835 Contact heat fixing apparatus |
| 03/20/1979 | US4144808 Electrophotographic marking apparatus |
| 03/20/1979 | CA1051107A1 Indicator for a dispensing device |
| 03/20/1979 | CA1051087A1 Biasing arrangement for a corona discharge device |
| 03/20/1979 | CA1051085A1 Delayed heating circuit for electrostatic copier |
| 03/20/1979 | CA1051083A1 Shutterless camera system |
| 03/20/1979 | CA1050923A1 Sorter apparatus |
| 03/20/1979 | CA1050829A1 Electrostatic image development using development electrode with rough surface |
| 03/20/1979 | CA1050749A1 Resilient rollers |
| 03/20/1979 | CA1050748A1 Developer seal |
| 03/13/1979 | US4144550 Reproduction machine using fiber optics communication system |
| 03/13/1979 | US4144539 Feedback control for laser discharge system |
| 03/13/1979 | US4144061 Transfer development using a fluid spaced donor member |
| 03/13/1979 | US4143965 Electrophotography method utilizing a photoconductive screen |
| 03/13/1979 | US4143964 Scanning light source |
| 03/13/1979 | US4143963 Device for controlling rotations of photosensitive drum for electrographic apparatus |
| 03/13/1979 | US4143962 Electrographic imaging apparatus and method |
| 03/13/1979 | US4143961 Electrophotographic duplication apparatus |
| 03/13/1979 | US4143570 Feeding and cutting control mechanism for roll stored paper |
| 03/13/1979 | CA1050608A1 Portable corona power supply circuit |
| 03/13/1979 | CA1050606A2 Dual mode control logic for a multi-mode copier/duplicator |
| 03/13/1979 | CA1050578A1 Guide chute arrangement for web feeding apparatus |
| 03/13/1979 | CA1050260A1 Resilient roller |
| 03/07/1979 | EP0000964A1 Device for the development of an electrostatic charge image with the aid of magnetic brushes. |
| 03/07/1979 | EP0000914A1 Separation and deflection device for a copying apparatus, in particular for a tracing copying machine |
| 03/06/1979 | US4143381 Method for information processing |
| 03/06/1979 | US4142898 Imaging film of sensitizing layer upon UV-sensitive diazo layer |
| 03/06/1979 | US4142889 Variation of the amount of light during exposure to improve image formation |
| 03/06/1979 | US4142793 Variable speed drive apparatus for the scanning system of a copy machine |
| 03/06/1979 | US4142792 Electrophotographic apparatus |
| 03/06/1979 | US4142791 Electrographic apparatus having a screen-type photoconductive drum |
| 03/06/1979 | US4142655 Toner dispensing and supply arrangement |
| 03/06/1979 | US4142480 Apparatus for developing electrophotographic copying materials |
| 03/06/1979 | US4142281 Magnetic roller for electrographic developing and/or reproducing devices |
| 03/06/1979 | CA1050098A1 Microfiche reader/printer |
| 03/06/1979 | CA1049860A1 Apparatus for developing electrostatic latent images |
| 03/06/1979 | CA1049841A1 Transfer belt alignment and registration |
| 03/06/1979 | CA1049772A1 Segmented gate developer flow controller |
| 03/06/1979 | CA1049771A1 Articulated development apparatus |
| 03/06/1979 | CA1049770A1 Method and apparatus for varying developer bandwidth |
| 02/27/1979 | US4142192 Electrographic process and apparatus with recording after toning |
| 02/27/1979 | US4142165 Electrostatic copying machine comprising improved magnetic brush developing-cleaning unit |
| 02/27/1979 | US4142100 Process and apparatus for recording and optically reproducing X-ray images |
| 02/27/1979 | US4141728 Transfer of dry developed electrostatic image using plural oppositely charged fields |
| 02/27/1979 | US4141650 Improved shutter apparatus for electrophotographic apparatus |
| 02/27/1979 | US4141648 Photoconductor charging technique |
| 02/27/1979 | US4141647 Method and apparatus of aperture flooding |
| 02/27/1979 | US4141646 Electrophotography apparatus with downtime control circuitry |