| Patents for G03G 15 - Apparatus for electrographic processes using a charge pattern (115,618) |
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| 09/17/1991 | US5049935 Electrophotographic image forming apparatus with reversal development |
| 09/17/1991 | US5049934 Image forming apparatus having image transfer means |
| 09/17/1991 | US5049933 Image edit input device for use in copying machine |
| 09/17/1991 | US5049932 Copier having an editing function |
| 09/17/1991 | US5049931 Reproduction machine having a job run display screen with graphic symbol |
| 09/17/1991 | US5049930 System for preventing erroneous mounting of developer tanks accommodated in a developing device |
| 09/17/1991 | US5049929 Conflict resolution with warning in a reprographic system |
| 09/17/1991 | US5049926 Image recording apparatus having a mechanism for varying copying magnification |
| 09/17/1991 | US5049924 Image forming apparatus |
| 09/17/1991 | US5049923 Microfilm reader/printer |
| 09/17/1991 | US5049922 Image forming apparatus using mask original form |
| 09/17/1991 | US5049918 Color image recording apparatus |
| 09/17/1991 | US5049906 Fixing process controller for electrophotographic recorder |
| 09/17/1991 | US5049905 Image forming method, exposure method, image forming apparatus and deposited toner layer control apparatus |
| 09/17/1991 | US5049901 Light modulator using large area light sources |
| 09/17/1991 | US5049444 Containing polymer release agents |
| 09/17/1991 | US5048983 Electrographic typewriter |
| 09/17/1991 | US5048820 Compact sorter |
| 09/17/1991 | US5048817 Dynamic edge guide for side registration systems |
| 09/17/1991 | US5048813 Bottom vacuum corrugation feeder air knife calibration system and method |
| 09/14/1991 | CA2038118A1 Semiconductor rubber foam |
| 09/13/1991 | CA2035806A1 Developer module drive system for an electrographic printer |
| 09/11/1991 | EP0446034A2 Development apparatus |
| 09/11/1991 | EP0445718A2 Image forming apparatus having function of dust removal |
| 09/10/1991 | US5048050 Semiconductor laser apparatus |
| 09/10/1991 | US5047843 Image reading method |
| 09/10/1991 | US5047809 Fixing apparatus with oil supply apparatus |
| 09/10/1991 | US5047808 Image transfer apparatus including a compliant transfer member |
| 09/10/1991 | US5047807 Development apparatus having a plate scavenging device |
| 09/10/1991 | US5047806 Meterless single component development |
| 09/10/1991 | US5047805 Developing device having a space for receiving and increasing pressure of toner received therein |
| 09/10/1991 | US5047804 Image forming apparatus having a toner replenishment control system |
| 09/10/1991 | US5047802 Process control of electrostatographic machine by adjusting charge-to-mass ratio of toner in response to toned density of developed image |
| 09/10/1991 | US5047801 Color image forming apparatus having the developing means and cleaning means formed as a detachable unit |
| 09/10/1991 | US5047800 Image recording apparatus |
| 09/10/1991 | US5047797 Image recording apparatus capable of adjusting a density of an image reproduced on a recording medium |
| 09/10/1991 | US5047791 Electrostatic color printing apparatus |
| 09/10/1991 | US5047631 Self-referencing start of plot system and method |
| 09/10/1991 | US5046947 Image fixing apparatus |
| 09/10/1991 | US5046716 Lighttight film box having a film clasping tray |
| 09/10/1991 | US5046715 Paper feeding apparatus for image forming machine |
| 09/10/1991 | US5046714 Paper feeder for a copying machine |
| 09/10/1991 | US5046419 Rotary ink stamp for a copier/printer apparatus |
| 09/10/1991 | CA1288802C Permanent master with a persistent latent image for use in electrostatic transfer to a receiving substrate |
| 09/05/1991 | WO1991013386A1 Modular electrophotographic printer |
| 09/05/1991 | WO1991012797A1 Tri- and tetra-substituted guanidines and their use as excitatory amino acid antagonists |
| 09/04/1991 | EP0444870A2 Receptor sheet for a toner developed electrostatic imaging process |
| 09/04/1991 | EP0444813A2 Apparatus and method for forming an image |
| 09/04/1991 | EP0444663A2 Color imaging system |
| 09/04/1991 | EP0444222A1 Sheet sending apparatus |
| 09/04/1991 | EP0444125A1 Electrostatic separator and electrophotographic copying machine using the same |
| 09/04/1991 | EP0444124A1 Enhancing cohesiveness of developed images. |
| 09/04/1991 | EP0444116A1 Device for depositing copy sheets. |
| 09/03/1991 | US5046166 Digital electrophotographic copying apparatus |
| 09/03/1991 | US5046146 Fuser system utilizing a reciprocating pressure web |
| 09/03/1991 | US5045893 Highlight printing apparatus |
| 09/03/1991 | US5045892 Recording paper transport mechanism |
| 09/03/1991 | US5045891 Image fixing device and roller therefor having a low resistance surface layer |
| 09/03/1991 | US5045890 Fuser apparatus with release agent delivery system |
| 09/03/1991 | US5045889 Release liquid applying wick having a grooved feed tube |
| 09/03/1991 | US5045888 Image fixing device and method for fixing image |
| 09/03/1991 | US5045887 Fixing device with a selectively movable cover |
| 09/03/1991 | US5045886 Device for improving mixing in a magnetic brush development apparatus |
| 09/03/1991 | US5045885 Link mechanism provided between an upper frame and a lower frame of an image forming apparatus |
| 09/03/1991 | US5045884 Toner supply arrangement |
| 09/03/1991 | US5045883 Image density control method using exclusive patterns for an image forming apparatus |
| 09/03/1991 | US5045882 Xerographic setup and operating system for electrostatographic reproduction machines |
| 09/03/1991 | US5045881 System for segregating purge sheets and continued printing |
| 09/03/1991 | US5045880 Pre-programming during job run |
| 09/03/1991 | US5045879 Image forming apparatus using photosensitive toner |
| 09/03/1991 | US5045866 Image printing device |
| 09/03/1991 | US5045420 Color image forming method and particulate developer for developing electrostatic latent image |
| 09/03/1991 | US5044625 Active tamper for bidirectional sorter |
| 09/03/1991 | US5044623 Apparatus for stacking sheets |
| 09/03/1991 | US5044620 Apparatus for controlling the movement of trays of paper within an electrophotographic printer |
| 09/03/1991 | US5044619 Control of pre-ordered stock |
| 09/03/1991 | US5044313 Electrostatic latent image developing apparatus |
| 09/03/1991 | US5044310 Developing apparatus for non-magnetic developer |
| 09/03/1991 | CA1288278C Modulation electrodes having improved corrosion resistance |
| 08/29/1991 | DE4109718A1 Photosensitive numbering device for copies from laser printer - carries liq. crystal display of number which is visible through hole in document carrier when exposed |
| 08/29/1991 | DE4037973A1 Colour photocopier material - uses transparent paper sets with extended black steps to give different shading(s) |
| 08/28/1991 | EP0443806A2 Image forming apparatus having fixing means error detector |
| 08/28/1991 | EP0443800A2 A charging method and a charging device |
| 08/28/1991 | EP0443799A2 Image heating apparatus using film driven by rotatable member |
| 08/28/1991 | EP0443784A1 Lighting unit, and image formation apparatus with it |
| 08/28/1991 | EP0443619A2 Automatic document conveying device |
| 08/28/1991 | EP0443612A1 Controller of motors |
| 08/28/1991 | EP0443590A1 Positioning apparatus for movable member |
| 08/28/1991 | EP0443587A2 Line head device |
| 08/28/1991 | EP0443535A2 Electrophotographic printing apparatus |
| 08/28/1991 | EP0443461A2 Process cartridge and image forming apparatus usable with same |
| 08/28/1991 | EP0443266A1 Color electrophotography for high quality half-tone images |
| 08/28/1991 | EP0420855A4 Electrostatic method for multicolor imaging from a single toner bath |
| 08/28/1991 | EP0269695B1 Patch generator |
| 08/27/1991 | US5043771 Image forming apparatus having a controller for controlling the registration rollers |
| 08/27/1991 | US5043770 Image forming apparatus |
| 08/27/1991 | US5043768 Rotating wick for fusing apparatus |
| 08/27/1991 | US5043766 Exposure control apparatus for variable magnification copying machine |
| 08/27/1991 | US5043765 Image forming apparatus including control means responsive to image forming conditions |
| 08/27/1991 | US5043764 Replaceable developer station having indicator for determining whether developer station is used or new |