| Patents for G03G 15 - Apparatus for electrographic processes using a charge pattern (115,618) |
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| 02/27/1979 | US4141645 Toner concentration monitor |
| 02/27/1979 | US4141644 Corona discharge means in an image formation apparatus |
| 02/27/1979 | US4141643 Developing electrode arrangement for electrophotographic apparatus |
| 02/27/1979 | US4141546 Mini-collator/sorter |
| 02/27/1979 | US4141545 Paper feed for copying machine |
| 02/27/1979 | US4141317 Multiple applicator roller toner station |
| 02/27/1979 | CA1049608A1 Xerographic fixing method and apparatus useful therefor |
| 02/27/1979 | CA1049255A1 Developer shut-off apparatus |
| 02/21/1979 | EP0000789A2 Method and apparatus for generating charged particles |
| 02/20/1979 | US4140962 High voltage regulator using light dependent resistor |
| 02/20/1979 | US4140894 Method of using a temperature controller for a fixing device of a copying machine |
| 02/20/1979 | US4140387 Apparatus for producing collated copies from two sided originals |
| 02/20/1979 | US4140386 Electrophotographic apparatus |
| 02/20/1979 | US4140385 Low pressure metal or metal halide lamps for photocopying applications |
| 02/20/1979 | US4140310 Feeder mechanism at an exposure station of a photoprinting machine |
| 02/20/1979 | CA1049089A1 Particulate material in corona units |
| 02/20/1979 | CA1048856A1 Compositions and method for making biasable members |
| 02/20/1979 | CA1048838A1 Photographic processor of electrostatic halftone images |
| 02/13/1979 | US4139816 Copy paper test apparatus |
| 02/13/1979 | US4139768 Imaging chamber with electrode structure |
| 02/13/1979 | US4139653 Method for the development of electrostatic charge patterns |
| 02/13/1979 | US4139299 Auto-bias developing apparatus |
| 02/13/1979 | US4139298 Copying apparatus capable of producing copies differing in size from originals |
| 02/13/1979 | US4139296 Cross mixer |
| 02/13/1979 | CA1048591A1 Photocopy machine with photoconductor belt and cartridge for photocopying |
| 02/13/1979 | CA1048590A1 Electrostatographic method and apparatus |
| 02/13/1979 | CA1048259A1 Xerographic developing system rolls having magnets of different widths |
| 02/13/1979 | CA1048258A1 Device for developing electrostatic charge images |
| 02/07/1979 | EP0000671A2 Improved electrophotographic apparatus and method for use with electrophotosensitive toner |
| 02/07/1979 | EP0000632A1 Hot roll fuser for a xerographic copier |
| 02/07/1979 | EP0000631A1 Xerographic copier including hot roll fuser |
| 02/06/1979 | US4138635 Alternating current generator using light dependent resistor |
| 02/06/1979 | US4137597 Roll cleaning device |
| 02/06/1979 | CA1048140A1 Amplifier background control apparatus for use in a document scanning system |
| 02/06/1979 | CA1048102A1 Electrophotographic device |
| 02/06/1979 | CA1047935A1 Pseudo halftone print generator and method |
| 02/06/1979 | CA1047846A1 Toner applicator for electrographic recording system |
| 02/06/1979 | CA1047757A1 Cascade development station having a roughened development plate for enhancing developer mixture turbulence |
| 01/30/1979 | US4137537 Electrostatic transfer process and apparatus for carrying out the same |
| 01/30/1979 | US4137536 Electrostatic printing device with air cushion guiding |
| 01/30/1979 | US4137340 Method for fixing electrophoretically formed toner images |
| 01/30/1979 | US4136977 Mount for a consumable electrode matrix printer |
| 01/30/1979 | US4136945 Electrophotographic apparatus having compensation for changes in sensitometric properties of photoconductors |
| 01/30/1979 | US4136944 Liquid type developing apparatus |
| 01/30/1979 | US4136943 Visual display apparatus |
| 01/30/1979 | US4136942 Electrophotographic apparatus |
| 01/30/1979 | US4136941 Electrophotographic copying machine |
| 01/30/1979 | US4136862 Paper orientation for duplexing and collating |
| 01/30/1979 | US4136637 Continuous contrast development system |
| 01/30/1979 | US4136613 Fixing apparatus for electrostatic photography |
| 01/30/1979 | US4136611 Electrostatic printing directly onto paper |
| 01/30/1979 | CA1047595A1 Electrophotographic fixing device |
| 01/30/1979 | CA1047594A1 Transfer roller with stationary internal electrode |
| 01/30/1979 | CA1047246A1 Toner loading for touchdown donor |
| 01/24/1979 | EP0000409A1 Process for magnetically transferring a powder image |
| 01/24/1979 | EP0000408A1 Process for magnetically transferring a powder image |
| 01/23/1979 | US4136277 Exposure control system for a document copying machine |
| 01/23/1979 | US4135927 Multicolor xerographic process |
| 01/23/1979 | US4135812 Magnification change mechanism |
| 01/23/1979 | US4135811 Electrophotographic apparatus |
| 01/23/1979 | US4135806 Power transmission control mechanism for use in the copying apparatus |
| 01/23/1979 | US4135804 Registration system for a reproducing machine |
| 01/23/1979 | US4135642 Wiper arrangement for toner level sensor |
| 01/23/1979 | CA1047095A1 Process and apparatus for forming electrostatic charge patterns |
| 01/23/1979 | CA1047056A1 Sheet feeding apparatus |
| 01/23/1979 | CA1046842A1 Devices for the copying of images by means of sequential sweeping |
| 01/23/1979 | CA1046829A1 Electrophotographic copying material and method for recording high energy radiation images |
| 01/16/1979 | US4135100 Method and apparatus for detecting concentration of liquid |
| 01/16/1979 | US4135085 Charging device for basecoat charging of can ends |
| 01/16/1979 | US4134672 Copier finisher for an electrographic reproducing device |
| 01/16/1979 | US4134671 Intersecting optical and copy sheet path method and apparatus |
| 01/16/1979 | US4134670 High capacity photocopy optical scanning system |
| 01/16/1979 | US4134669 Drum support for electrostatic printer |
| 01/16/1979 | US4134668 Apparatus for image reproduction and image creation |
| 01/16/1979 | US4134667 Drum assembly for electrostatic copier |
| 01/16/1979 | US4134341 Duplicating apparatus |
| 01/16/1979 | CA1046575A1 Electrostatic or xerographic copying and duplicating machine |
| 01/16/1979 | CA1046574A1 Dielectrographic recording apparatus and method |
| 01/16/1979 | CA1046268A1 Continuous bias control for electrographic development apparatus |
| 01/10/1979 | EP0000175A1 Device for the development of a diazocopy material by the semi-wet process |
| 01/10/1979 | EP0000136A1 Device for measuring the toner concentration in a development mixture |
| 01/09/1979 | US4134147 Transfer humidity control device |
| 01/09/1979 | US4134137 Single wire microelectrometer imaging system |
| 01/09/1979 | US4134136 Paper carrier for facsimile machine |
| 01/09/1979 | US4134135 Optoelectronic scanning apparatus |
| 01/09/1979 | US4133906 Method of toning an electrophotographic film |
| 01/09/1979 | US4133610 Optimum preclean corona current for eliminating the accumulation of contaminants from developers |
| 01/09/1979 | US4133609 Charge-erasing device for electrophotographic copying apparatus |
| 01/09/1979 | US4133477 Fault detection and system for electrostatographic machines |
| 01/09/1979 | US4133459 Deformable toner dispenser with flow rate controller |
| 01/09/1979 | US4133458 Toner dispenser arrangement |
| 01/09/1979 | US4133453 Toner residual amount detecting device |
| 01/09/1979 | US4133292 Wet-developing stationary electrode |
| 01/09/1979 | CA1045809A1 Apparatus for developing photosensitive material |
| 01/02/1979 | US4133008 Automatic illumination compensation circuit |
| 01/02/1979 | US4132893 Method and apparatus for recording and optically reproducing X-ray images |
| 01/02/1979 | US4132882 Process and apparatus for fixing toner with heat and a fixing agent |
| 01/02/1979 | US4132548 Process for reproducing images of fine lines or characters of low density |
| 01/02/1979 | US4132478 Illumination system for a photographic copying apparatus |
| 01/02/1979 | US4132477 Optical imaging system for electrophotography |