| Patents for G03G 15 - Apparatus for electrographic processes using a charge pattern (115,618) |
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| 06/21/1977 | US4031519 Printer |
| 06/21/1977 | US4031269 Electrostatic image forming method |
| 06/21/1977 | US4030922 X-rays |
| 06/21/1977 | US4030823 Copying machine |
| 06/21/1977 | US4030725 Paper tray for copying machines |
| 06/21/1977 | US4030447 Developing device |
| 06/21/1977 | US4030445 Multicolor developing device |
| 06/14/1977 | US4030106 Method and arrangement for eliminating undesired density variations in electrostatically created copies of an original |
| 06/14/1977 | US4029960 Device for the recording and reproduction of X-ray pictures |
| 06/14/1977 | US4029827 Mercapto functional polyorganosiloxane release agents for fusers in electrostatic copiers |
| 06/14/1977 | US4029826 Electrostatic printing method |
| 06/14/1977 | US4029414 Method and device for recording copier usage data |
| 06/14/1977 | US4029411 Variable magnification copier |
| 06/14/1977 | US4029409 Multi-mode optical scanning system |
| 06/14/1977 | US4029309 Set transport and stacker |
| 06/14/1977 | US4029047 Toner handling system |
| 06/07/1977 | US4028711 Method of and device for electrostatic printing |
| 06/07/1977 | US4028596 Corona power supply circuit |
| 06/07/1977 | US4027967 Apparatus for connecting a moving photoconductive web with a fixed electric potential |
| 06/07/1977 | US4027966 Tracking assembly for an endless belt electrostatic reproduction machine |
| 06/07/1977 | US4027965 Copying machine control mechanism |
| 06/07/1977 | US4027964 Apparatus for interposition environment |
| 06/07/1977 | US4027963 Multi-mode reproducing apparatus |
| 06/07/1977 | US4027962 Color transparency reproducing machine |
| 06/07/1977 | US4027961 Raster scan apparatus |
| 06/07/1977 | US4027960 Transfer system for electrostatic reproduction machine |
| 06/07/1977 | US4027621 Developing system for electrostatic reproduction machines |
| 05/31/1977 | US4027201 Apparatus and method for neutralizing static charges in sheet/web feeding devices |
| 05/31/1977 | US4027199 Flash lamp modulator system |
| 05/31/1977 | US4027158 Electrophotographic apparatus comprising pre-development charge reducing means |
| 05/31/1977 | US4027138 Fuser release material dispenser |
| 05/31/1977 | US4027049 Process for electrostatic direct transfer printing of designs on fabrics |
| 05/31/1977 | US4026700 Charged particle modulator device and improved imaging methods for use thereof |
| 05/31/1977 | US4026648 Cleaning device for use in electrophotographic copying apparatus |
| 05/31/1977 | US4026647 Copy sheet feed device |
| 05/31/1977 | US4026646 Electrostatic or xerographic copying or duplicating machine |
| 05/31/1977 | US4026643 Apparatus and method for measurement of the ratio of toner particle electrostatic charge to toner particle mass in electrostatographic devices |
| 05/31/1977 | US4026543 Document article handling control |
| 05/31/1977 | US4026541 Sheet stripping device |
| 05/31/1977 | US4026539 Control system of a sorting device |
| 05/31/1977 | US4026452 Magazine for storing zigzag folded belt material |
| 05/31/1977 | US4026397 Control knob clutches with lock |
| 05/31/1977 | US4026242 Matrix supporting device in electrostatic development apparatus |
| 05/31/1977 | US4026241 Magnetic brush developing device for use in electrophotographic copying apparatus |
| 05/31/1977 | US4026238 Apparatus for applying release material to a contact fuser roll member utilized in fixing toner images to support sheets |
| 05/24/1977 | US4025938 Liquid developer reservoir for copying machine |
| 05/24/1977 | US4025789 Image formation method |
| 05/24/1977 | US4025751 Fuser roll sleeve |
| 05/24/1977 | US4025338 Electrophotographic, protective layer of nitrocellulose and a methyl methacrylate polymer |
| 05/24/1977 | US4025188 Photoactive device for xerography |
| 05/24/1977 | US4025185 Applicator member |
| 05/24/1977 | US4025184 Developing electrode contamination prevention system for electrophotography |
| 05/24/1977 | US4025182 Transfer apparatus for a color electrophotographic printing machine |
| 05/24/1977 | US4025181 Screen cleaning device |
| 05/24/1977 | US4025180 Transfer type electrophotographic copying apparatus |
| 05/24/1977 | US4025179 Passive cross mixing system |
| 05/24/1977 | US4025178 Electrophotographic copying apparatus having a dual cam synchronizing mechanism |
| 05/24/1977 | US4024993 Toner-replenishing apparatus for use in dry process electrostatic copier |
| 05/24/1977 | US4024885 Process and apparatus for controlling the concentration of diazotype developing liquid |
| 05/24/1977 | US4024838 Developer liquid supplying device |
| 05/24/1977 | US4024834 Temperature compensated doctor blade |
| 05/24/1977 | US4024811 High speed printing apparatus |
| 05/17/1977 | US4023967 Electrophotographic liquid development method in which a uniform substantial interface contact is maintained |
| 05/17/1977 | US4023901 Reproduction machine service control |
| 05/17/1977 | US4023900 Variable speed liquid development electrostatographics apparatus |
| 05/17/1977 | US4023899 Excess developing liquid removing device for electrophotography |
| 05/17/1977 | US4023898 Electrostatic developing apparatus |
| 05/17/1977 | US4023897 Optics drive mechanism |
| 05/17/1977 | US4023896 Clean margin mechanism for electrostatic copiers |
| 05/17/1977 | US4023895 Electrostatographic apparatus |
| 05/17/1977 | US4023894 Transfer apparatus |
| 05/17/1977 | US4023792 Sheet feeding apparatus |
| 05/17/1977 | US4023791 Semi-automatic document feeder |
| 05/17/1977 | US4023527 Powdered toner developing system in xerographic reproducing apparatus |
| 05/10/1977 | US4022738 Developing powder |
| 05/10/1977 | US4022528 Ion modulator having independently controllable bias electrode |
| 05/10/1977 | US4022527 Ion modulator having independently controllable bias electrode |
| 05/10/1977 | US4022460 Document jam detector for copier |
| 05/10/1977 | US4022458 Sheet distribution apparatus |
| 05/10/1977 | US4022157 Magnetic brush developer equipped with self-metering controls |
| 05/10/1977 | US4022122 Pressing installation for a copying arrangement |
| 05/03/1977 | US4021851 Writing head for facsimile image reproduction |
| 05/03/1977 | US4021709 Method and device for charging an electrophotographic photosensitive material |
| 05/03/1977 | US4021668 Ionography imaging chamber |
| 05/03/1977 | US4021641 Radiant fuser for fixing toner images |
| 05/03/1977 | US4021587 Magnetic and electrostatic transfer of particulate developer |
| 05/03/1977 | US4021586 Toners dipersed in liquid |
| 05/03/1977 | US4021112 Photoreceptor dark current leakage detecting apparatus for xerographic machines |
| 05/03/1977 | US4021111 Developing device in electrophotographic copying apparatus |
| 05/03/1977 | US4021109 Electrophotographic copying apparatus |
| 05/03/1977 | US4021108 Electrophotographic copying apparatus |
| 05/03/1977 | US4021107 Electrophotographic duplication method and apparatus therefor |
| 05/03/1977 | US4021106 Apparatus for electrostatic reproduction using plural charges |
| 05/03/1977 | US4020788 Doctoring means |
| 04/26/1977 | US4020315 Method of welding mounting members to a wire |
| 04/26/1977 | US4019821 Apparatus for toning tacky surfaces |
| 04/26/1977 | US4019662 Feeder for coherent particulate material |
| 04/19/1977 | USRE29186 Electrophotographic copying apparatus of slit exposure type |
| 04/19/1977 | US4019102 Successive approximation feedback control system |
| 04/19/1977 | US4019055 Corona cleaning assembly |