| Patents for B41L 21 - Devices for conveying sheets or webs of copy material through apparatus or machines for manifolding, duplicating, or printing (353) |
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| 07/10/2003 | US20030127001 Printer with a duplex printing capability |
| 06/25/2003 | CN1112613C Sheet material separator friction disc |
| 06/25/2003 | CN1112314C Return mechanism of automatic paper feeder |
| 04/30/2003 | CN1106951C Stencil printer |
| 04/09/2003 | CN2543710Y Double-side automatic paper feeder |
| 04/01/2003 | US6539854 Stencil printer |
| 03/05/2003 | CN2538544Y Electrostatic transfer mechanism for medium data recorder |
| 03/04/2003 | US6526881 Stencil printing machine having sheet clamp guide member for guiding sheet to clamp section of pressure drum |
| 01/12/2003 | CA2391779A1 Sheet and stack feeding mechanism |
| 01/02/2003 | US20030002956 Material handler apparatus |
| 12/18/2002 | CN2526174Y Replaceable paper guider structure |
| 12/18/2002 | CN2526173Y Paper conveying mechanism for stenograph |
| 12/18/2002 | CN2526172Y Device for investigating document position |
| 11/20/2002 | CN2521047Y Paper sheets steering conveyor |
| 11/13/2002 | CN2520517Y Automatic sheet feeding apparatus for photographing file |
| 10/30/2002 | CN2518688Y Rotor shaft fixer |
| 10/30/2002 | CN1093492C Apparatus for generating vacuum |
| 08/08/2002 | WO2002060794A1 Material handler apparatus |
| 08/08/2002 | CA2436771A1 Material handler apparatus |
| 07/31/2002 | CN2502903Y Automatic shet conveying apparatus |
| 07/31/2002 | CN1361012A Full plate train printing method and train printing paper |
| 06/11/2002 | US6401606 Stencil printer |
| 05/22/2002 | CN1349924A Paper taking mechanism for automatic paper feeding system |
| 05/08/2002 | CN2489966Y Connecting-rod paper plate |
| 04/17/2002 | CN2486320Y Electric control paper feeding mechanism for offset printing name card and certificate machine |
| 04/17/2002 | CN2486319Y Paper feeding mechanism for offset printing name card and certificate machine |
| 04/17/2002 | CN1082901C Stacker for image forming machinery |
| 03/20/2002 | CN2482495Y Paper-sheets rolling wheel with changable outer layer |
| 02/07/2002 | US20020014168 Printing machine |
| 01/31/2002 | US20020011158 Stencil printer |
| 01/30/2002 | CN2474312Y Device for feeding paper |
| 01/23/2002 | CN2472931Y Rotary wheel fixing structure |
| 01/09/2002 | CN2470114Y Paper feeding and out mechanism of mimeograph machine |
| 01/09/2002 | CN2470113Y Paper-feeding mechanism |
| 12/05/2001 | CN1324729A Feeder |
| 11/28/2001 | CN2461764Y Paper feeding cam of A3 paper feedable mineograph |
| 11/28/2001 | CN2461763Y Interval paper feedback mechanism of automatic paper feeder |
| 11/06/2001 | US6311613 Stencil printer |
| 10/17/2001 | CN1317412A Paper feeding system with mechanism for taking out and distributing paper |
| 10/17/2001 | CN1317411A Autoamtic paper feeding system |
| 10/09/2001 | US6298778 Sheet feeding device for a printer |
| 10/03/2001 | CN1315254A Paper feeding system with paper classifying and stopping mechanisms |
| 09/05/2001 | CN2445926Y Paper feeding mechanism of scanner |
| 07/11/2001 | CN1302734A Method for enlarging paper size range printer or fascimile machine with automatic paper feed |
| 06/13/2001 | CN2434136Y Single-roller automatic paper dividing mechanism |
| 06/13/2001 | CN2434135Y Two-roller automatic paper dividing mechanism |
| 06/06/2001 | CN2433087Y Sheet feeding wheel spring assembly for duplicator |
| 06/06/2001 | CN2433086Y Automatic deviation rectifying mechanism for duplicator |
| 04/18/2001 | CN1064602C High-capacity paper advance device |
| 03/27/2001 | US6205918 Stencil printer |
| 01/23/2001 | US6176410 Method and apparatus for controlling web delivery running at the start time of printing |
| 12/06/2000 | CN2409055Y Automatic paper feed pressure regulator for mimeograph |
| 11/22/2000 | CN2406816Y Thermosensitive paper roll holder |
| 11/22/2000 | CN2406815Y Paper feeding rubber roller for office machine |
| 11/15/2000 | CN1273181A Return mechanism of automatic paper feeder |
| 10/18/2000 | EP1044820A1 Method and apparatus for controlling web delivery running at the start time of printing |
| 09/13/2000 | CN2395887Y Automatic paper arranging device for pile delivery table of mimeograph |
| 09/06/2000 | CN2394783Y Paper feeding slide table device for mineograph |
| 09/05/2000 | US6112655 Stencil printer |
| 05/30/2000 | US6067902 Stencil printer |
| 05/23/2000 | US6065397 Printer |
| 01/12/2000 | CN2357914Y Automatic paper-feeding device for printing machine |
| 12/22/1999 | CN2354753Y Separator of copier |
| 12/07/1999 | US5996989 Sheet separator friction pad |
| 11/09/1999 | US5979889 Apparatus for generating a vacuum |
| 11/02/1999 | US5975520 Expandable cassette for an electrophotographic device |
| 07/07/1999 | CN1221682A Stencil printer |
| 06/30/1999 | EP0925954A1 Stencil printer |
| 11/11/1998 | CN1198546A Sheet material separator friction disc |
| 11/04/1998 | EP0875474A1 Sheet separator friction pad |
| 10/21/1998 | EP0872437A2 Device for generating a vacuum |
| 10/21/1998 | CN1196326A Apparatus for generating vacuum |
| 05/27/1998 | CN2282495Y Paper conveying controller |
| 02/04/1998 | CN1172019A Stacker for image forming machinery |
| 12/10/1997 | CN2269960Y Combined character jetting sheet |
| 10/29/1997 | CN2265894Y Automatic paper feed printing device for copygraph |
| 05/13/1997 | US5628503 Paper feeder |
| 03/12/1997 | CN2249171Y Electric automatic page-turning structure of duplicator |
| 10/23/1996 | CN2238143Y Pneumatic automatic leaf turner for duplicator |
| 05/15/1996 | CN2227024Y Knife controlled multipurpose sheet conveyer for paper |
| 02/27/1996 | US5493968 Image forming apparatus |
| 01/17/1996 | CN2217508Y Automatic paper-feeding device |
| 01/03/1996 | CN1030626C Image forming apparatus |
| 08/22/1995 | US5443556 Method and apparatus for mounting a master plate on a printing drum having an integral cutter |
| 06/14/1995 | EP0657296A1 Paper feeder |
| 01/18/1995 | EP0634281A1 Image forming apparatus |
| 11/09/1994 | EP0623857A2 Print skip avoidance for on-line compiling |
| 04/20/1994 | CN1085499A High-capacity paper advance device |
| 04/12/1994 | US5303017 Print skip avoidance for on-line compiling |
| 01/24/1994 | CA2098124A1 Web transporting device in rotary printing presses |
| 01/05/1994 | CN1023388C Sheet supplying device |
| 12/30/1992 | EP0360798B1 Method and apparatus for intermittent web processing |
| 12/01/1992 | CA1310992C Printing press |
| 11/18/1992 | CN2122050U Portable automatic feeding paper and printing ink small mimeograph |
| 09/22/1992 | US5149081 Feed table unit of a sheet-fed printing machine |
| 09/01/1992 | US5143364 Suction control system for printing or duplicating machines |
| 08/04/1992 | US5136342 Sheet resist apparatus |
| 07/15/1992 | CN2109945U Paper feeding device for high-speed printer |
| 06/09/1992 | CA1303080C Method and apparatus for intermittently processing successive definitelengths of a continuous flexible web |
| 05/06/1992 | CN2103442U Wheel for feeding paper |