| Patents for G03G 15 - Apparatus for electrographic processes using a charge pattern (115,618) |
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| 03/06/1991 | EP0415722A2 Image forming apparatus |
| 03/06/1991 | EP0415717A2 An image forming apparatus |
| 03/06/1991 | EP0415701A2 Printing apparatus and method for forming images on a substrate |
| 03/06/1991 | EP0415700A2 Wrong sign toner extraction for a direct electrostatic printer |
| 03/06/1991 | EP0415676A2 Fixing method |
| 03/06/1991 | EP0415441A2 A power supply control subsystem for an image forming apparatus |
| 03/06/1991 | EP0414823A1 Dead time compensation for toner replenishment |
| 03/06/1991 | CN2072694U Full-automatic cut sheet machine cooperated with colour developing machine |
| 03/05/1991 | US4998266 Device for producing x-ray images by means of a photoconductor |
| 03/05/1991 | US4998216 Data processing system |
| 03/05/1991 | US4998213 Recording apparatus |
| 03/05/1991 | US4998195 Data input apparatus and control method therefor |
| 03/05/1991 | US4998145 Image forming apparatus having a first mode for forming a multicolor image of restricted length and a second mode for forming a monocolor image of unrestricted length |
| 03/05/1991 | US4998144 Color palette for copiers |
| 03/05/1991 | US4998143 Electrophotographic image transfer member, electrophotographic image transfer device and electrophotographic recording apparatus |
| 03/05/1991 | US4998142 Method of improving a multi-color electrophotographic image |
| 03/05/1991 | US4998141 Electret toner concentration monitor |
| 03/05/1991 | US4998140 Developing device for copier with sealing means |
| 03/05/1991 | US4998139 Adaptive bias control for tri-level xerography |
| 03/05/1991 | US4998138 Microfilm reader-printer |
| 03/05/1991 | US4998137 Sheet storing device |
| 03/05/1991 | US4998135 Mechanism for moving a projection lens assembly to alter projecting magnification |
| 03/05/1991 | US4998133 Image forming apparatus with an automatic document feeder |
| 03/05/1991 | US4998121 Image forming apparatus |
| 03/05/1991 | US4997016 Receiving apparatus for a toner container and toner container therefor |
| 02/27/1991 | EP0414625A2 Transfer station control in an electrophotographic reproduction device |
| 02/27/1991 | EP0414622A2 Copying method and apparatus |
| 02/27/1991 | EP0414552A2 Exit roller reversal gate for duplex printing |
| 02/27/1991 | EP0414504A2 Densitometer for measuring developability |
| 02/27/1991 | EP0414503A2 Sheet offsetting apparatus |
| 02/27/1991 | EP0414501A2 Reprographic machine |
| 02/27/1991 | EP0414459A2 Fixing roll used for electrophotography and manufacturing method thereof |
| 02/27/1991 | EP0414455A2 Hybrid development system |
| 02/27/1991 | EP0414454A2 Copy quality monitoring |
| 02/27/1991 | EP0414436A2 Stepper motor control |
| 02/27/1991 | EP0414152A2 Image forming apparatus |
| 02/27/1991 | EP0413941A2 Method and apparatus for fusing envelopes |
| 02/27/1991 | CN1011772B Stripper finger mechanism for effecting removal of record medium from roll member |
| 02/26/1991 | US4996625 Power source unit for image recording apparatus |
| 02/26/1991 | US4996568 Automatic document feeder provided for copying apparatus |
| 02/26/1991 | US4996567 Method of controlling fuser unit of image forming apparatus |
| 02/26/1991 | US4996566 Multicolor image forming apparatus with separately removable and insertable assembly units |
| 02/26/1991 | US4996565 Developer material mixing apparatus |
| 02/26/1991 | US4996564 Controllable drive of optics of a copier |
| 02/26/1991 | US4996563 Support means for electrophotographic film core and associated elements |
| 02/26/1991 | US4996562 Control device in image forming apparatus |
| 02/26/1991 | US4996561 Image forming apparatus with a document image edition function |
| 02/26/1991 | US4996557 Jam detecting and displaying device in an image recording apparatus |
| 02/26/1991 | US4996556 Large document copying system |
| 02/26/1991 | US4996553 Method for producing gloss image on image recording medium and apparatus for making the gloss image on the medium |
| 02/26/1991 | US4996543 Precision medium handling system and method for a recorder |
| 02/26/1991 | US4996425 Method and apparatus for increasing corona efficiency in an ionographic imaging device |
| 02/26/1991 | US4995601 Anti-skew sheet feeding device for image forming apparatus and sheet storage device for use therein |
| 02/26/1991 | CA1280801C Multi-mode imaging system |
| 02/22/1991 | CA2021849A1 Hybrid development system |
| 02/21/1991 | WO1991002298A1 Use of a liquid electrophotographic toner with an overcoat permanent master in electrostatic transfer |
| 02/21/1991 | WO1991002296A1 Process for transferring pictorial or graphical patterns |
| 02/21/1991 | DE4026305A1 Copier with drive moving scanner in two directions - has signal generator supplying signal to detector according to speed of movement of scanner |
| 02/20/1991 | EP0413529A2 Edge emission type electroluminescent (EL) printer |
| 02/20/1991 | EP0413358A2 Image forming apparatus |
| 02/19/1991 | US4994865 Copying apparatus |
| 02/19/1991 | US4994864 Copy sheet skew adjustment device |
| 02/19/1991 | US4994863 Copier or printer |
| 02/19/1991 | US4994862 Fusing station having release oil application cartridge |
| 02/19/1991 | US4994861 Printing machine with charge neutralizing system |
| 02/19/1991 | US4994860 Liquid toners handling network for an electrographic printer |
| 02/19/1991 | US4994859 Power cloud developing apparatus with a first and second electric field curtain generating means |
| 02/19/1991 | US4994858 Electrostatographic apparatus for forming multicolor images on a receiving sheet |
| 02/19/1991 | US4994855 Electrophotographic image formation apparatus with two bias voltage sources |
| 02/19/1991 | US4994854 Image forming apparatus for forming outline and normal images |
| 02/19/1991 | US4994853 Apparatus for recording color images having interchangeable process cartridges and cartridge information on IC cards |
| 02/19/1991 | US4994852 Image forming apparatus having a malfunction detection device and power shutdown therefor |
| 02/19/1991 | US4994851 Photosensitive sheet rewind device for image forming apparatus |
| 02/19/1991 | US4994848 Imaging device |
| 02/19/1991 | US4994847 Apparatus for sorting and transporting sheets |
| 02/19/1991 | US4994827 Color printing |
| 02/19/1991 | US4994678 Apparatus for detecting a sheet by displacement of a roller |
| 02/19/1991 | US4994642 Sheet heating device |
| 02/19/1991 | US4994342 Photoconductive coating with zinc oxide; reverse side has surface resistance to prevent pinholes |
| 02/19/1991 | US4994319 Multilayer; supports, elasticity material, and flexible resin |
| 02/19/1991 | US4993829 Developing apparatus for an image forming apparatus |
| 02/19/1991 | US4993792 Scanning optical system in which a ghost image is eliminated |
| 02/19/1991 | US4993701 Receiving tray for sheet form material |
| 02/19/1991 | US4993699 Reversible auto document feeder |
| 02/19/1991 | US4993697 Copy sheet stack apparatus |
| 02/19/1991 | US4993356 Magnetic brush development station having a readily accessible interior |
| 02/14/1991 | DE4025177A1 Electrophotographic printer for continuous fanfold paper - has control stopping transporting equipment when front edge of perforated paper web is detected |
| 02/13/1991 | EP0412923A2 Toner metering apparatus |
| 02/13/1991 | EP0412742A2 Damped binding apparatus |
| 02/13/1991 | EP0412352A1 Method of preconditioning carrier particles for use in electrographic developers |
| 02/13/1991 | CN1049233A Heating apparatus and heater |
| 02/13/1991 | CN1011630B Temp.transducer for copier |
| 02/13/1991 | CN1011629B Xeroprinting with photopolymer master |
| 02/12/1991 | US4992923 Electrical power supply, fusing apparatus and recording apparatus using the same |
| 02/12/1991 | US4992884 Copier with an optional facsimile function and method of controlling the same |
| 02/12/1991 | US4992882 Printer |
| 02/12/1991 | US4992835 Electrophotographic image forming apparatus |
| 02/12/1991 | US4992833 Fixing method and apparatus having a transfer-fixing chilling drum |
| 02/12/1991 | US4992832 Developing apparatus with a developer regulating member |
| 02/12/1991 | US4992830 Image recording apparatus that prevents toner dispersion |