| Patents for G03G 21 - Arrangements not provided for by groups , e.g. cleaning, elimination of residual charge (34,276) |
|---|
| 11/20/1990 | US4972203 Device for reintroducing solid developer particles separated from a gaseous carrier flow into a reservoir that is open to the air |
| 11/16/1990 | CA2016795A1 Electrophotographic printer |
| 11/14/1990 | EP0397465A1 Color image forming apparatus |
| 11/14/1990 | EP0397201A2 Electrophotographic apparatus |
| 11/14/1990 | CN2065770U Radiation and ventillation device for duplicating machine |
| 11/13/1990 | US4970560 Lubricated metal cleaning blade for use in dry electrophotographic processes |
| 11/13/1990 | US4970551 Cartridge containing a reciprocating photoconductor ribbon for serial electrophotographic printing |
| 11/13/1990 | US4970550 Copying system capable of designating a copying area |
| 11/13/1990 | US4970549 Display device in image forming apparatus |
| 11/06/1990 | US4969015 Cleaning device for an electrophotographic apparatus |
| 11/06/1990 | US4969010 Copying machine |
| 10/31/1990 | EP0395320A1 A monitor/warranty system for electrostatographic reproducing machines using replaceable cartridges |
| 10/30/1990 | US4967287 Image forming apparatus |
| 10/30/1990 | US4967240 Recording apparatus |
| 10/30/1990 | US4967238 Cleaning performance monitor |
| 10/30/1990 | US4967231 Compact developer |
| 10/25/1990 | DE4011295A1 Photocopier for high quality copies - has copy sheets cleared of paper dust prior to transfer of toner image |
| 10/24/1990 | EP0393627A2 Electrophotographic printing device |
| 10/23/1990 | US4965871 Continuous plural page copying method for a copier |
| 10/23/1990 | US4965676 Facsimile remote diagnostic system |
| 10/23/1990 | US4965640 Image forming apparatus including detachable toner fixing unit |
| 10/23/1990 | US4965637 Control device for an image forming apparatus |
| 10/23/1990 | US4965633 Electrophotographic copier process kit having removable closure members |
| 10/23/1990 | US4964951 Mixing paper ingredients and light absorptive material; applying electric field so that paper product has selective light absorption characteristics |
| 10/18/1990 | WO1990012344A1 Fast printer with a particle trap in the paper channel |
| 10/17/1990 | EP0392632A1 Method of and device for transferring two images to different sides of a receiving sheet |
| 10/16/1990 | US4963946 Copying machine capable of discharging paper without forming image thereon |
| 10/16/1990 | US4963944 Residual toner cleaning device for image forming apparatus |
| 10/16/1990 | US4963941 Form feeding control device |
| 10/16/1990 | US4963940 Toner cartridge for a copying apparatus |
| 10/16/1990 | US4963933 LED illuminator bar for copier |
| 10/16/1990 | US4963932 Multi-document editing |
| 10/16/1990 | US4963931 Regulating means for automatically adjusting a margining means in a copier to produce image-free image carrier zones in response to image positioning prior to image transfer |
| 10/16/1990 | US4963928 Electrophotographic copying apparatus equipped with positioning device |
| 10/16/1990 | US4963922 Copying apparatus |
| 10/10/1990 | CN1009969B Thermol air curtain for a copying/printing machine |
| 10/09/1990 | US4962408 Device for removing defective developer agent from a developing unit of an image formation apparatus |
| 10/09/1990 | US4962404 Copying machine |
| 10/04/1990 | WO1990011553A1 Device for cleaning the transfer carrier of an electrophotographic printing or copying machine |
| 10/04/1990 | WO1990011552A1 Method and apparatus for making electrophotographic prints of photographic negatives |
| 10/03/1990 | EP0390599A2 Image forming apparatus |
| 10/02/1990 | US4961088 Monitor/warranty system for electrostatographic reproducing machines using replaceable cartridges |
| 09/27/1990 | DE4002013A1 System for adjusting output of charging units for image prodn. - includes unit for charging light responsive or photo-conductor drum and discharge lamp which clears charge produced on drum |
| 09/26/1990 | EP0389267A2 Structure and method of mounting recording units in electrophotographic recording apparatus |
| 09/25/1990 | US4959691 Magnetic brush forming device for image generating apparatus |
| 09/25/1990 | US4959687 Bias power source controller for an image forming apparatus |
| 09/20/1990 | DE4008519A1 Electrographic copying machine - contg. traps to collect stray toner powder and means for chemically treating the powder collected |
| 09/19/1990 | EP0388340A2 Paper handling for repetitive movement of variable length media through an image transfer station |
| 09/18/1990 | US4958232 Process apparatus for processing memory which stores information |
| 09/18/1990 | US4958197 Elastomers |
| 09/18/1990 | US4958196 Toner recovery device |
| 09/18/1990 | US4958188 Image forming apparatus with one reset switch for resetting one type of trouble and a second reset switch for resetting a second type of trouble |
| 09/14/1990 | CA2006242A1 Paper handling for repetitive movement of variable length media through and image transfer station |
| 09/12/1990 | EP0387096A2 Image forming method |
| 09/11/1990 | US4956677 Cleaning device for image forming apparatus |
| 09/11/1990 | US4956673 Image forming apparatus with easily removable developing units |
| 09/11/1990 | US4956667 Priority interrupt during editing mode |
| 09/11/1990 | US4956666 Secure copier and method of reproduction |
| 09/11/1990 | US4956211 For use in electrography |
| 09/09/1990 | WO1990010896A1 Electrostatic separator |
| 09/07/1990 | WO1990010349A1 Security facsimile transmission system |
| 09/05/1990 | CN1045189A Cleaning apparatus |
| 09/05/1990 | CN1045069A Currency paper, especially bank note, with safety design and process for producing it |
| 09/04/1990 | US4954848 Control apparatus for a two-sided/multiple copy conveying unit |
| 09/04/1990 | US4954844 Multicolor image developing device |
| 08/29/1990 | EP0384897A1 Security paper, especially a banknote, with a security pattern, and method for manufacturing it |
| 08/29/1990 | EP0384467A2 Image forming apparatus |
| 08/29/1990 | EP0384434A2 Image forming equipment |
| 08/29/1990 | EP0384354A2 Cleaning blade and electrophotographic apparatus making use of it |
| 08/29/1990 | EP0383983A1 Image forming apparatus |
| 08/28/1990 | US4952989 Photoreceptor attachment device for an electrophotographic copying machine |
| 08/28/1990 | US4952978 Speed control of color development in electrophotographic process and apparatus |
| 08/28/1990 | US4952977 Method of operating an electrophotographic copying apparatus wherein original documents are replaced during preliminary scannning, and apparatus for carrying out the method |
| 08/28/1990 | US4952974 Detecting member for detecting the presence of an exchangeable unit in an image recording apparatus |
| 08/23/1990 | DE4003695A1 Image prodn. machine with image unit detachable from main machine - has photo responsive drum rotating about first axis of rotation and development roller rotating about second axis of rotation |
| 08/23/1990 | DE3905155A1 Data medium (data carrier), in particular securities having a printed image which can be reproduced in colour copiers only in a corrupted manner |
| 08/23/1990 | CA2010747A1 Currency paper, especially bank note, with a safety design and process for producing it |
| 08/21/1990 | US4951093 Developing unit for an electrostatic recording apparatus |
| 08/21/1990 | US4949949 Hybrid sequenced dadf duplexing system |
| 08/21/1990 | US4949426 Hinge mechanism with torsion bar |
| 08/16/1990 | EP0382549A2 Apparatus for image reading or processing |
| 08/16/1990 | EP0382471A2 Cleaning apparatus |
| 08/16/1990 | DE4003966A1 Removable reproduction unit for copier or printer - has two parts with swivel attachment connecting them and detector for presence of reproduction-unit |
| 08/16/1990 | DE4003928A1 Reproduction device for removing remaining toner on drum - uses distribution unit with two brushes in contact with drum with one brush connected to voltage source |
| 08/14/1990 | US4949133 Apparatus for cleaning and moving a photoreceptor |
| 08/08/1990 | EP0381503A2 Inverted synchronous belt drive system |
| 08/08/1990 | EP0381401A2 Image forming apparatus |
| 08/07/1990 | US4947345 Queue management system for a multi-function copier, printer, and facsimile machine |
| 08/07/1990 | US4947216 Cleaning blade assembly for electrophotography apparatus |
| 08/07/1990 | US4947209 Copying machine control apparatus |
| 08/07/1990 | US4947208 Process cartridge and image forming apparatus using same |
| 08/07/1990 | US4947206 Copying apparatus |
| 08/07/1990 | US4945956 Device for transferring toner from a transport container into a toner reservoir |
| 08/02/1990 | DE4001354A1 Compact electrophotographic copier esp. for home |
| 07/31/1990 | US4945389 Method of cleaning a photoconductive element of an image recorder |
| 07/31/1990 | US4945388 Method and apparatus for cleaning a color image forming apparatus by sticking developer on the photoconductor without forming an image |
| 07/31/1990 | US4945364 Page printer |
| 07/31/1990 | US4944533 Forging-by-copying-proof prints |
| 07/25/1990 | EP0379096A1 Control device in image forming apparatus |
| 07/24/1990 | US4943863 Electrophotographic printer |