| Patents for G03G 15 - Apparatus for electrographic processes using a charge pattern (115,618) |
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| 05/05/1981 | US4265153 Copy machine with automatic roll supplied copy paper feeding and cutting apparatus and control circuitry |
| 05/05/1981 | CA1100571A1 Electrostatic copier |
| 05/05/1981 | CA1100570A1 Corona discharge means in an image formation apparatus |
| 05/05/1981 | CA1100569A1 Fixing arrangement in electrostatic copying machine |
| 05/05/1981 | CA1100568A1 Copier/raster scan apparatus |
| 05/05/1981 | CA1100567A1 Variable magnification reproducing apparatus |
| 05/05/1981 | CA1100566A1 Dry planographic printing plate and printing method employing the same |
| 05/05/1981 | CA1100537A1 Recirculating document feeder |
| 04/30/1981 | WO1981001120A1 High speed printer |
| 04/29/1981 | EP0027729A2 Apparatus for developing an electrostatic latent image |
| 04/28/1981 | US4264912 Image formation and development apparatus |
| 04/28/1981 | US4264427 Apparatus for developing electrostatically charged sheet-like carriers of latent images |
| 04/28/1981 | US4264304 Apparatus for fixing images consisting of powder toner on a recording carrier with the aid of solvent vapor |
| 04/28/1981 | US4264201 Electrostatic copying process |
| 04/28/1981 | US4264200 Platen module for computer fanfold reproduction |
| 04/28/1981 | US4264199 Unitary optical system mounting component for imaging apparatus |
| 04/28/1981 | US4264198 Copier |
| 04/28/1981 | US4264191 Electrophotographic imaging system including a laminated cleaning and/or doctor blade |
| 04/28/1981 | US4264189 Duplexing in computer fanfold reproduction |
| 04/28/1981 | US4264188 Control for multiple-mode copying apparatus |
| 04/28/1981 | US4264187 Document handler |
| 04/28/1981 | US4264186 Electrophotographic copying apparatus |
| 04/28/1981 | US4264185 Two color electrostatographic apparatus |
| 04/28/1981 | US4264184 Ozone removing device for electrographic apparatus |
| 04/28/1981 | US4264183 Duplex copying apparatus and method |
| 04/28/1981 | US4264182 Electrographic apparatus having improved development structure |
| 04/28/1981 | US4264181 Metal-filled nucleophilic addition cured elastomer fuser member |
| 04/28/1981 | US4264120 Beam scanning device |
| 04/28/1981 | US4264067 Duplexing auto document feed for copying machine |
| 04/28/1981 | CA1100224A1 Framing pulse generator for facsimile recorder |
| 04/28/1981 | CA1100172A1 Color transparency printer |
| 04/22/1981 | EP0027341A1 Bottom sheet separator-feeder |
| 04/22/1981 | EP0027285A1 Corona device |
| 04/22/1981 | EP0027266A1 Document copying method and apparatus which corrects for positional errors of a transferable image |
| 04/21/1981 | US4263391 Liquid development process with porous elastic development cleaning roller |
| 04/21/1981 | US4263390 Residual toner removing device |
| 04/21/1981 | US4263359 Charge receptor film for charge transfer imaging |
| 04/21/1981 | US4262999 Method and device for cleaning photosensitive screen in an image forming apparatus |
| 04/21/1981 | US4262998 Electrophotographic attachment for use with an optical projecting system |
| 04/21/1981 | US4262895 Inverter with variable buckling control |
| 04/21/1981 | CA1099819A1 Method and apparatus for electronically copying and positioning parts of different picture originals |
| 04/21/1981 | CA1099807A1 Collating document feeder with multiple feed detector |
| 04/21/1981 | CA1099600A1 Process for fixing toner images |
| 04/21/1981 | CA1099599A1 Xerographic heat fixing method and device |
| 04/21/1981 | CA1099589A1 Duplexing copying system |
| 04/21/1981 | CA1099549A1 Exposure apparatus for copying machines |
| 04/16/1981 | WO1981001060A1 Loss gloss pressure fusing roll |
| 04/15/1981 | EP0027046A1 Magnetic brush apparatus |
| 04/15/1981 | EP0027045A1 Bottom sheet separator-feeder |
| 04/15/1981 | EP0027014A2 Electrographic recorder |
| 04/15/1981 | EP0026978A1 Reproducing apparatus |
| 04/15/1981 | EP0026977A1 Sheet feeding apparatus |
| 04/14/1981 | US4262294 Electrostatic printing apparatus comprising improved electrode drive means |
| 04/14/1981 | US4262078 Light transmitting particle for forming color image |
| 04/14/1981 | US4262075 Method of electrophotography |
| 04/14/1981 | US4261661 Apparatus for producing double sided copies |
| 04/14/1981 | US4261660 Surface potentiometer for use in an electrostatic copier |
| 04/14/1981 | US4261560 Sheet separation apparatus |
| 04/14/1981 | US4261290 Electrostatic developing apparatus having a developer powder mixing device |
| 04/14/1981 | US4261289 Magnetic brush device for developing electrostatic charge images |
| 04/14/1981 | CA1099328A1 Electrostatic copying machine having flash-discharge- lamp-fixing unit |
| 04/14/1981 | CA1099326A1 Duplex copying transfer system |
| 04/14/1981 | CA1099226A1 Device for the sorted collection of sheets |
| 04/14/1981 | CA1099094A1 Device for the development of and electrostatic charge image |
| 04/08/1981 | EP0026678A1 Electrostatographic printing machine |
| 04/08/1981 | EP0026654A2 Liquid development fountain |
| 04/08/1981 | EP0026653A1 Corona generating device |
| 04/08/1981 | EP0026562A1 Sheet collection apparatus and sorters incorporating same |
| 04/08/1981 | EP0026452A2 Device for the production of charge patterns on a photoconductive image carrier |
| 04/08/1981 | EP0026384A1 Method of smoothing a photoconductive layer of As2 Se3 |
| 04/07/1981 | US4260998 Recording device |
| 04/07/1981 | US4260904 Power feed control device for copying apparatus |
| 04/07/1981 | US4260887 Electroradiographic recording device |
| 04/07/1981 | US4260249 Two slit illumination aperture |
| 04/07/1981 | US4260248 Electrophotographic copying apparatus equipped with copying coverage indication device |
| 04/07/1981 | US4260242 Electrophotographic apparatus for forming a duplicated image at any desired position on a record carrier |
| 04/07/1981 | US4260241 Copying apparatus |
| 04/07/1981 | US4260240 Movable support for electrostatic corona discharge device |
| 04/07/1981 | US4260239 Brush type toner deposition device |
| 04/07/1981 | US4260237 Electrophotographic apparatus |
| 04/07/1981 | US4260236 Electrophotographic apparatus |
| 04/07/1981 | US4260235 Contamination prevention system |
| 04/07/1981 | US4260073 Virgin toner and used toner supply apparatus and method |
| 04/07/1981 | US4259920 Toner image pressure-fixing device |
| 04/07/1981 | CA1098762A1 Process for magnetically transferring a powder image |
| 04/02/1981 | WO1981000827A1 Centrifugal clamp on a high speed print drum |
| 04/01/1981 | EP0026096A1 Image-receiving sheet and a process of producing a dye image therewith |
| 04/01/1981 | EP0025957A2 Optical device for contactless recording, particularly for facsimile picture and text reproduction |
| 04/01/1981 | EP0025896A1 Collator apparatus |
| 04/01/1981 | EP0025832A1 Beam-splitting optical system |
| 03/31/1981 | US4259711 Slit illuminating device |
| 03/31/1981 | US4259696 Apparatus and method for jet drop copying with an array of jets and photodetectors |
| 03/31/1981 | US4259565 Method of controlling heaters for copying apparatus |
| 03/31/1981 | US4259429 Protection of toner images |
| 03/31/1981 | US4259422 Electrographic process for making transparencies |
| 03/31/1981 | US4259008 Electrostatic copying apparatus |
| 03/31/1981 | US4259006 Air jet means for removing liquid from a conductive surface |
| 03/31/1981 | US4259005 Device and method for developing latent electrostatic images |
| 03/31/1981 | US4259004 Scanning device with optical path length compensator |
| 03/31/1981 | US4258648 Tapered donor roll applicator for roll fuser |