| Patents for G03G 15 - Apparatus for electrographic processes using a charge pattern (115,618) |
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| 12/25/1979 | CA1068764A Structure for applying release agent to a heated fuser roll structure |
| 12/25/1979 | CA1068763A Color highlighting electrophotographic printing machine |
| 12/25/1979 | CA1068762A Control arrangement for an electrostatographic reproduction apparatus |
| 12/25/1979 | CA1068761A Illuminating apparatus |
| 12/25/1979 | CA1068548A Transfer charge control system |
| 12/18/1979 | US4179601 Roller with fluoropolymer surface layer containing carbon black |
| 12/18/1979 | US4179600 Device for fusing toner on a carrier of electrostatic images |
| 12/18/1979 | US4179215 Recirculating document feeder |
| 12/18/1979 | US4179213 Vector pinning in an electrophotographic machine |
| 12/18/1979 | US4179212 Demand publishing royalty accounting system |
| 12/18/1979 | US4179211 Electrostatic photographic copying machine |
| 12/18/1979 | US4179210 Apparatus for developing latent electrostatic images |
| 12/18/1979 | US4179183 Device for scanning a light beam at a constant speed |
| 12/18/1979 | US4179117 Paper alignment rollers |
| 12/18/1979 | US4179116 Separating mechanism |
| 12/18/1979 | US4179112 Apparatus for conveying sheetlike original material to be copied |
| 12/18/1979 | US4179077 Device for loading a paper roll |
| 12/18/1979 | CA1068327A1 Charge electrode for ink jet |
| 12/18/1979 | CA1068309A1 Stack elevating apparatus |
| 12/18/1979 | CA1068244A1 Illuminator with reflector filter |
| 12/18/1979 | CA1068172A1 Half tone development for touchdown system |
| 12/13/1979 | WO1979001073A1 Reproducing apparatus |
| 12/11/1979 | USRE30164 Exposure system for electrophotographic copying apparatus |
| 12/11/1979 | US4178095 Abnormally low reflectance photoconductor sensing system |
| 12/11/1979 | US4178094 Belt support and steering module |
| 12/11/1979 | US4177757 Magnetic brush developing device for developing electrostatic latent images |
| 12/11/1979 | CA1067735A1 Conversion of stripe-geometry junction laser emission to a spherical wavefront |
| 12/04/1979 | US4177380 Method and apparatus for making and developing ionographic images of X-rayed objects |
| 12/04/1979 | US4176945 Sheet feeding apparatus for use with copier/duplicators or the like |
| 12/04/1979 | US4176943 Electrophotographic apparatus |
| 12/04/1979 | US4176942 Electrophotographic copying apparatus |
| 12/04/1979 | US4176941 Malfunction display system for electrophotographic copying machines |
| 12/04/1979 | US4176940 Electrophotographic color image producing apparatus |
| 12/04/1979 | CA1067528A1 Document handling apparatus |
| 11/29/1979 | WO1979000999A1 Projection viewable transparency and electrographic process for making same |
| 11/27/1979 | US4176275 Radiation imaging and readout system and method utilizing a multi-layered device having a photoconductive insulative layer |
| 11/27/1979 | US4175958 Development by means of a toner and fixing the toner |
| 11/27/1979 | US4175957 Electrophotographic process using insulating dot overlayer |
| 11/27/1979 | US4175850 Control system for a reciprocating carriage drive system |
| 11/27/1979 | US4175741 Cut-sheet xerographic copier having combing wheel sheet feed and a duplex bin with an adjustable bottom-of-the-bin pad |
| 11/27/1979 | US4175448 Electromechanical switching system |
| 11/27/1979 | CA1067132A1 Fuser roll having a non-uniform cross section |
| 11/27/1979 | CA1067112A1 Separator device for transfer medium |
| 11/27/1979 | CA1067111A1 Sheet stripping from imaging surface |
| 11/27/1979 | CA1066958A1 Application of low impedance conversion of detected voltage to guard electrode |
| 11/20/1979 | US4175265 Toner transfer system |
| 11/20/1979 | US4175232 Inography imaging method and chamber |
| 11/20/1979 | US4175231 Device for detecting a moving body |
| 11/20/1979 | US4174905 Method and apparatus for producing duplex copies |
| 11/20/1979 | US4174904 Electrophotographic copying apparatus for copying thick and thin originals |
| 11/20/1979 | US4174903 Combined processing station for use in an electrophotographic printing machine |
| 11/20/1979 | US4174902 Detection of developer powder amount contained in a developer reservoir |
| 11/20/1979 | CA1066759A1 Technique for making electrical ground contact with the intermediate conductive layer of an electrostatographic recording member |
| 11/14/1979 | EP0005366A2 Toner head and toner clean-off head for use in electrostatic printing |
| 11/14/1979 | EP0005184A1 Electrophotographic copying machine including an automatic document feeder |
| 11/14/1979 | EP0005180A1 Electrophotographic copying machine including an automatic document feeder |
| 11/13/1979 | US4174528 Exposure control for document scanner arrays |
| 11/13/1979 | US4174215 Electrophotographic screen |
| 11/13/1979 | US4174176 Device for detachable attachment of a print original to a cylinder |
| 11/13/1979 | US4174175 Copy preview apparatus |
| 11/13/1979 | US4174171 Belt tracking system |
| 11/13/1979 | US4174170 Conductive toner transfer photocopying machine |
| 11/13/1979 | US4174103 Magazine for holding a stack of sheet material |
| 11/13/1979 | US4174050 Device for supplying a replenishing toner to a developing unit |
| 11/13/1979 | US4173945 Electrostatic printing machine with improved web-developing system |
| 11/13/1979 | CA1066355A1 Corona generating device with an improved cleaning mechanism |
| 11/13/1979 | CA1066354A1 Corona generator for multicolor electrocopier |
| 11/13/1979 | CA1066353A1 Flash fusing system with energy control |
| 11/13/1979 | CA1066352A1 Apparatus and method for extending fuser release life |
| 11/13/1979 | CA1066351A1 Dual mode roll fuser |
| 11/13/1979 | CA1066350A1 Fuser conveyor belt |
| 11/13/1979 | CA1066349A1 High surface energy cleaning roll |
| 11/13/1979 | CA1066348A1 Latching mechanism for the backup roll of a roll fuser employed in a copier apparatus |
| 11/13/1979 | CA1066347A1 Fuser roller positioning system for electro-static copiers |
| 11/13/1979 | CA1066316A1 Registration station |
| 11/13/1979 | CA1066045A1 Magnetic brush development system with floating development rolls |
| 11/13/1979 | CA1066044A1 Coated roll for magnetic brush development and cleaning systems |
| 11/13/1979 | CA1066043A1 Split developer housing with interlocked flow gate and catch |
| 11/13/1979 | CA1066042A1 Microfield donors with toner agitation and the methods for their manufacture |
| 11/06/1979 | US4173411 Exposure system for copying machines |
| 11/06/1979 | US4173410 Method of duplex copying |
| 11/06/1979 | US4173409 Electrostatic copier including photoreceptor storing apparatus |
| 11/06/1979 | US4173408 Demand publishing royalty accounting system for an electrostatic copier |
| 11/06/1979 | US4173407 Electrophotographic contact duplicating apparatus and method |
| 11/06/1979 | US4173406 Electrical charge removing arrangement for removing charge from non-image bearing portions of photo-sensitive medium |
| 11/06/1979 | US4173405 Developer distribution apparatus |
| 11/06/1979 | US4173301 Pneumatic brake |
| 11/06/1979 | US4173294 Dispenser having reciprocating paddles for discharging particles therefrom |
| 11/06/1979 | CA1065958A1 Liquid crystalline platen for an electro-photographic printing machine |
| 11/06/1979 | CA1065957A1 Release agent application system for a heated fuser roll |
| 11/06/1979 | CA1065956A1 Heating apparatus for electrophotographic copiers |
| 11/06/1979 | CA1065955A1 Notch filter for color transparency copying machines |
| 11/06/1979 | CA1065954A1 Reproduction machine service control |
| 10/31/1979 | EP0005043A1 An automatic document handler including a control system therefor |
| 10/30/1979 | US4172976 Heat roller fixing apparatus |
| 10/30/1979 | US4172975 Drying and fixing device |
| 10/30/1979 | US4172905 Transferring xerographic images |
| 10/30/1979 | US4172722 Electrostatic copying method for forming multiple copies |
| 10/30/1979 | US4172658 Image forming device of copying apparatus of the variable duplicate size type |
| 10/30/1979 | US4172655 Shingle sheet stacking for duplex copying |