| Patents for G03G 15 - Apparatus for electrographic processes using a charge pattern (115,618) |
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| 05/27/1980 | US4204670 Sorter for a reproduction machine |
| 05/27/1980 | US4204668 Paper feeding apparatus |
| 05/27/1980 | US4204667 Semi-circular stack sheet feeding apparatus |
| 05/27/1980 | US4204621 Roll sheet feeding device |
| 05/27/1980 | US4204472 Duplexing copying system |
| 05/27/1980 | CA1078487A1 Document article handling control |
| 05/27/1980 | CA1078450A1 Variable edge fadeout apparatus for electrostatic reproduction machines |
| 05/27/1980 | CA1078422A1 Mini-collator/sorter |
| 05/27/1980 | CA1078169A1 Magnetic brush developer |
| 05/20/1980 | US4204180 End of paper roll detection assembly |
| 05/20/1980 | US4204118 Apparatus for producing X-ray images by electrical charges |
| 05/20/1980 | US4203663 Computer controlled electrostatic copying machine |
| 05/20/1980 | US4203588 Device for copying sheetlike originals |
| 05/20/1980 | US4203587 Sheet sorter device |
| 05/20/1980 | US4203585 Document feed for a copier machine |
| 05/20/1980 | US4203533 Toner powder supply system |
| 05/20/1980 | US4203386 Electrostatic copier with insertable developer module |
| 05/20/1980 | CA1078003A1 Apparatus for large scale screen display of images |
| 05/20/1980 | CA1077980A1 Paper feeder |
| 05/14/1980 | EP0010968A1 Corotron device and electrophotographic machine using the device |
| 05/14/1980 | EP0010948A1 Electrostatographic printing machine |
| 05/14/1980 | EP0010848A1 Electrophotographic apparatus having a replaceable photoconductive belt |
| 05/14/1980 | EP0010801A1 Composition of matter and method for electrostatic image development |
| 05/14/1980 | EP0010725A1 Process and device for the electrophoretic development of electrostatically charged recording carriers |
| 05/14/1980 | EP0010604A1 Continuous film printer |
| 05/14/1980 | EP0010603A1 Continuous film printer and method for copying an endless strip of documents |
| 05/13/1980 | US4203144 Corona charger for image transfer |
| 05/13/1980 | US4202913 Method for liquid development of latent electrostatic images |
| 05/13/1980 | US4202621 Recording device |
| 05/13/1980 | US4202620 Apparatus for liquid development of latent electrostatic images |
| 05/13/1980 | US4202619 Electrophotographic apparatus |
| 05/13/1980 | US4202618 Electrostatic copying machine having flash-discharge-lamp fixing unit |
| 05/13/1980 | US4202542 Apparatus for handling flexible sheet material of different sizes |
| 05/13/1980 | CA1077557A1 Method of detecting a toner concentration |
| 05/13/1980 | CA1077556A1 Recirculating sheet feeder |
| 05/13/1980 | CA1077535A1 Duo sequence page compiler with bidirectional joggers |
| 05/13/1980 | CA1077342A1 Roller with adjustable length |
| 05/13/1980 | CA1077256A1 Developer liquid supplying device |
| 05/06/1980 | US4201994 Information formation apparatus |
| 05/06/1980 | US4201488 Recording/control arrangement for a dot recording machine |
| 05/06/1980 | US4201464 Copy production machines having job separation capabilities |
| 05/06/1980 | US4201455 Laser-operated apparatus for data and signal recording |
| 05/06/1980 | CA1077123A1 Copying apparatus with moving belt for transferring electrostatic or powder images |
| 05/06/1980 | CA1077121A1 Optical apparatus for selectively producing rippled message images in areas of specular surfaced photoplastic film and erasing such images from such areas for reuse |
| 05/06/1980 | CA1077074A1 Document transporter with drum mounted grippers |
| 05/06/1980 | CA1077071A1 Narrow inter-belt-loop engagement and movement of documents |
| 05/06/1980 | CA1076791A1 Apparatus for reducing background deposit in electrostatic development system |
| 04/29/1980 | US4200891 Electromagnetic bond photocopy device |
| 04/29/1980 | US4200790 Closed-chamber high-pressure gas ion-flow electro-radiography apparatus with direct-charge readout |
| 04/29/1980 | US4200665 Method for controlling the toner concentration of a developer used in a dry type developing system |
| 04/29/1980 | US4200391 Electrostatographic apparatus comprising document density sensing means |
| 04/29/1980 | US4200390 Combined copying and printing apparatus |
| 04/29/1980 | US4200389 Pressure fixing apparatus for copier |
| 04/29/1980 | US4200388 Toner density sensor for electrostatic copying machine |
| 04/29/1980 | US4200387 Image reversal electrostatographic apparatus |
| 04/29/1980 | US4200386 Copier/collator with extended collate functions |
| 04/29/1980 | US4200278 Sorting apparatus for reproduction machine producing simplex and duplex copies |
| 04/29/1980 | US4199985 Temperature detecting device for image fixing apparatus of electrostatic recording apparatus |
| 04/29/1980 | CA1076403A1 Background brightness control for document copier |
| 04/22/1980 | US4199766 Random-dump storage buffer for moving web |
| 04/22/1980 | US4199626 Elastomeric fluoropolymer release agent |
| 04/22/1980 | US4199616 Ionographic recording of X-ray images |
| 04/22/1980 | US4199356 Electrophotographic process, of transferring a magnetic toner to a copy member having at least 3×1013 ohm-cm resistance |
| 04/22/1980 | US4199269 Spiral mixing element |
| 04/22/1980 | US4198923 Toning apparatus for electrostatic printing and plotting machines |
| 04/22/1980 | CA1076058A1 Sheet turn around/inverter |
| 04/16/1980 | EP0009964A1 Apparatus for stapling together a set of articles |
| 04/16/1980 | EP0009790A1 Device for indicating the drop below a predetermined filling level of a dosing material contained in a reservoir |
| 04/15/1980 | US4198680 Control system for electrostatic type copy reproducing machines |
| 04/15/1980 | US4198156 Optics contamination prevention utilizing a coanda air deflection system |
| 04/15/1980 | US4198155 Photoconductive belt assembly |
| 04/15/1980 | US4198154 Image recording apparatus capable of representing half-tones on an image |
| 04/15/1980 | US4198139 Electrostatic cameras |
| 04/15/1980 | US4197970 Electrostatic drive system |
| 04/15/1980 | US4197813 Magnetic brush development apparatus with developer supply detecting means |
| 04/15/1980 | US4197811 Toner applicator and removal apparatus |
| 04/15/1980 | CA1075762A1 Apparatus and method for neutralizing static charges in sheet/web feeding devices |
| 04/15/1980 | CA1075759A1 Ionography imaging chamber |
| 04/15/1980 | CA1075758A1 Dual mode electrophotographic apparatus having dual function printing beam |
| 04/15/1980 | CA1075757A1 Programmable controller for controlling reproduction machines |
| 04/15/1980 | CA1075522A1 Coating a dye from solution of organic primary amine onto a conductive substrate |
| 04/08/1980 | US4197568 Corona generating apparatus |
| 04/08/1980 | US4197560 Exposure control for selective speed xerographic printing and the like |
| 04/08/1980 | US4197445 Roll fuser apparatus and system therefor |
| 04/08/1980 | US4197444 A.C./D.C. Solenoid drive circuit |
| 04/08/1980 | US4197121 Method of making electrophotographic images with a uniform exposure step |
| 04/08/1980 | US4197119 Electrophotographic process |
| 04/08/1980 | US4197003 Switch device in electrostatic photographic copying machine |
| 04/08/1980 | US4197002 Pneumatic system for supporting and steering a belt |
| 04/08/1980 | US4196988 Manual or automatic camera and electronic flash for use therewith |
| 04/02/1980 | EP0009391A1 Roll fuser apparatus |
| 04/02/1980 | EP0009378A1 Image transcribing apparatus |
| 04/01/1980 | US4196476 Reproduction machine with selectively disclosable programs |
| 04/01/1980 | US4196455 Copying machine with constant length scanning beam |
| 04/01/1980 | US4196350 Apparatus for photocontrolled ion-flow electron radiography |
| 04/01/1980 | US4196256 Perfluoroalkyl perfluorovinyl ether-tetrafluoroethylene copolymer |
| 04/01/1980 | US4195991 Electrographic recording method of applying an electric field opposite the charge retaining layer |
| 04/01/1980 | US4195928 Two direction scan sorting technique |
| 04/01/1980 | US4195927 Double transfer electrophotography |
| 04/01/1980 | US4195591 Cascade assembly and method |