| Patents for G03G 15 - Apparatus for electrographic processes using a charge pattern (115,618) |
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| 03/31/1981 | CA1098580A1 Excess developer removal apparatus |
| 03/31/1981 | CA1098579A1 Electroradiographic recording device |
| 03/31/1981 | CA1098349A1 Polygonal scanning mirror and arrangement |
| 03/31/1981 | CA1098304A1 Electrostatic copying apparatus |
| 03/25/1981 | EP0025709A1 Document illuminating apparatus |
| 03/25/1981 | EP0025708A1 Optical scanning device |
| 03/25/1981 | EP0025707A2 Jet drop copying apparatus and method |
| 03/25/1981 | EP0025671A1 Apparatus for developing an electrostatic latent image |
| 03/25/1981 | EP0025482A1 Electrophotographic copier with aperture stop in optical system |
| 03/24/1981 | US4258373 Electrostatic recording apparatus and method |
| 03/24/1981 | US4258372 Small clearance retention apparatus |
| 03/24/1981 | US4258258 Corona wire mounting device |
| 03/24/1981 | US4258116 Organic semiconductor |
| 03/24/1981 | US4258115 Wet developing method using elastic roller for electrostatic image and a device therefor |
| 03/24/1981 | US4258114 Electrophotographic recording material and method of manufacturing same |
| 03/24/1981 | US4258095 Reduced gloss in pressure-fixing of toner powder |
| 03/24/1981 | US4258089 Bonding directly to surfaces |
| 03/24/1981 | US4257700 Electrophotographic apparatus |
| 03/24/1981 | US4257699 Polymeric release agent having functional groups which react with metal filler |
| 03/24/1981 | US4257695 Film projection gate |
| 03/24/1981 | US4257348 Device measuring the concentration of toner in a developer mixture |
| 03/24/1981 | US4257347 Process and apparatus for electrophotographic development of latent images on sheet-like carriers |
| 03/24/1981 | CA1098195A1 Copier document sensing and control system |
| 03/24/1981 | CA1098166A1 Reproducing apparatus and process for forming multiple copies of a document |
| 03/24/1981 | CA1098165A1 Reproduction machine with duplex image shift |
| 03/24/1981 | CA1098164A1 Apparatus and method for noise immunity for control signals in electrostatographic processing machines |
| 03/24/1981 | CA1098163A1 Screen cleaning device |
| 03/17/1981 | US4257054 Recording apparatus |
| 03/17/1981 | US4257053 High-resolution laser plotter |
| 03/17/1981 | US4256959 Optical scanner including feedback for reflector control |
| 03/17/1981 | US4256820 Method of electrophotography using low intensity exposive |
| 03/17/1981 | US4256402 Method and apparatus of detecting toner concentration of dry developer |
| 03/17/1981 | US4256401 Image density adjustment method and apparatus |
| 03/17/1981 | US4256400 Copying machine provided with means for selectively setting original base line |
| 03/17/1981 | CA1097724A1 Effecting registration in copying apparatus having varying magnification |
| 03/17/1981 | CA1097723A1 Extended range variable magnification reproduction machine |
| 03/17/1981 | CA1097722A1 Electrophotographic copying apparatus |
| 03/17/1981 | CA1097721A1 Sheet feeding apparatus for use with copier/duplicators or the like |
| 03/11/1981 | EP0024952A1 Electrophotographic reprographic apparatus |
| 03/11/1981 | EP0024936A2 Methods of pre-collation copying |
| 03/11/1981 | EP0024822A1 Apparatus for developing electrostatic latent images |
| 03/11/1981 | EP0024712A1 Sheet delivery device in a copier |
| 03/10/1981 | US4255507 Electrophotographic screen process |
| 03/10/1981 | US4255046 Variable output power supply for flash unit |
| 03/10/1981 | US4255044 Cleaning blade for electrophotography |
| 03/10/1981 | US4255043 Electrostatic recording method and apparatus by doubly controlling ion flow |
| 03/10/1981 | US4255042 Light pipe for accurate erasure of photoconductor charge |
| 03/10/1981 | US4255041 Automatic printing apparatus |
| 03/10/1981 | US4255040 Positive overlay electronic xerographic printer |
| 03/10/1981 | US4254733 Fixing device |
| 03/10/1981 | US4254732 Roll fuser apparatus and release agent metering system therefor |
| 03/10/1981 | CA1097399A1 Sequential load dual - document feed |
| 03/10/1981 | CA1097398A1 Document reproduction having output means with plural outputs operable in a plurality of modes |
| 03/10/1981 | CA1097397A1 Electronic copy selection controls for a document reproduction machine |
| 03/05/1981 | WO1981000628A1 Toner particles for electrophotography and electrophotographic process utilizing same |
| 03/03/1981 | USRE30535 Developing device in electrophotographic copying apparatus |
| 03/03/1981 | US4254425 Electric discharge printing device having a laminar stylus |
| 03/03/1981 | US4254424 Electrostatic recording apparatus |
| 03/03/1981 | US4254206 Using a magnetizable metal or alloy dispersed in a thermoplastic binder |
| 03/03/1981 | US4254203 Dry process developing method employing magnetic toner |
| 03/03/1981 | US4254202 Electrostatic copying process |
| 03/03/1981 | US4254200 X-ray sensitive layer |
| 03/03/1981 | US4254199 Overcoated |
| 03/03/1981 | US4254033 Method of recording X-ray images and imaging chamber suited therefor |
| 03/03/1981 | US4253760 Electrophotographic apparatus for printing multiple copies of an image on a photosensitive member |
| 03/03/1981 | US4253759 Copy machine having duplexing feature |
| 03/03/1981 | US4253758 Extender guides for photoconductive drum removal |
| 03/03/1981 | US4253724 Recording optical system |
| 03/03/1981 | US4253392 Hollow fuser roll with variable taper |
| 03/03/1981 | CA1096972A1 Process and apparatus for recording and optically reproducing x-ray images |
| 03/03/1981 | CA1096926A1 Copier document ejector |
| 03/03/1981 | CA1096763A1 Metallic substrates with fluorocarbon coverings; and method of manufacture |
| 03/03/1981 | CA1096606A1 Toner control system for an electrostatic reproduction machine |
| 02/25/1981 | EP0024234A1 Process for electrographic reproduction on a support by reverse developping and pressure fixing |
| 02/25/1981 | EP0024154A1 Paper feed and image transfer for electrostatographic copiers and duplicators |
| 02/25/1981 | EP0024110A1 Multiple roll developing apparatus |
| 02/24/1981 | US4253008 Fusing apparatus |
| 02/24/1981 | US4253007 Hot roll fusing device |
| 02/24/1981 | US4252882 Developing electrophotographic images using aqueous ink and treating smooth, hydrophobic image surface with cleaning liquid |
| 02/24/1981 | US4252434 Method and apparatus for conveying developing agent |
| 02/24/1981 | US4252432 Control system for electrophotographic apparatus |
| 02/24/1981 | US4252431 Adjustable corona support |
| 02/24/1981 | US4252310 Copy paper separating device for use in electrophotographic copying apparatus |
| 02/24/1981 | US4252307 Sheet feed and transport |
| 02/24/1981 | CA1096434A1 Repositioning system for viewing and projection elements of a reproducing apparatus |
| 02/24/1981 | CA1096413A1 Copy set collecting apparatus |
| 02/18/1981 | EP0023962A1 Document scanning system |
| 02/17/1981 | US4251827 Wet type direct recording method |
| 02/17/1981 | US4251616 Magnetic toners and development process |
| 02/17/1981 | US4251612 Carbon or graphite dispersed in polymer, hole injecting material, hole transport layer |
| 02/17/1981 | US4251611 Process for formation of permanent image |
| 02/17/1981 | US4251157 Apparatus for selecting originals for copying |
| 02/17/1981 | US4251154 Electrophotographic color copier |
| 02/17/1981 | US4251152 Electrostatic apparatus for multi-image formation |
| 02/17/1981 | US4251126 Light beam scanning device with opposed deflecting surfaces |
| 02/17/1981 | US4251001 Developer powder supply cartridge |
| 02/17/1981 | US4250810 Centrifugal clamp on a high speed print drum |
| 02/17/1981 | CA1095970A1 Power source apparatus for developing electrodes |
| 02/17/1981 | CA1095969A1 Hot roll fuser early closure inhibitor |
| 02/17/1981 | CA1095968A1 Facetted edge fadeout reflector |