| Patents for B41G 7 - Auxiliary perforating apparatus associated with printing devices (250) |
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| 04/04/1996 | DE4435307A1 Additional operations on sheet-fed offset printing machine and process equipment |
| 04/04/1996 | DE4435306A1 Punching or perforating device in sheet=fed offset machine |
| 03/28/1996 | DE19500536C1 Sheet printing machine |
| 03/14/1996 | DE4432370A1 Control process for deforming or separating device linked to printing press |
| 01/31/1996 | CN1115718A Device for fastening switch selected perforating tool |
| 11/02/1995 | DE4414908A1 Partial longitudinal cutting or perforating process for printed material |
| 09/13/1995 | EP0670782A1 Perforation or cutting device for an offset printing machine |
| 04/27/1995 | WO1995008444A3 Perforation or cutting device for an offset printing machine |
| 03/30/1995 | WO1995008444A2 Perforation or cutting device for an offset printing machine |
| 02/22/1995 | EP0639457A1 Device for holding switchable perforating tools |
| 08/02/1994 | US5333545 Sheet-fed rotary offset printing press with a removable imprinting or finishing unit |
| 11/04/1993 | DE4233261A1 Double-sided combined printing and perforation machine - is for moving web of material and includes printing rollers separate from perforating rollers |
| 07/20/1993 | US5228388 Scoring or perforating bar for offset presses |
| 05/27/1993 | DE4138278A1 Device for stamping, grooving and perforating for sheet printing machine - has printed sheet subject to lacquering by cylinder rolling against printing cylinder |
| 05/27/1993 | DE4138277A1 Appts. for shear-free stamping, grooving and perforation of freshly printed sheets - uses a sepg. agent on metal stamping sheet and/or metal counter-sheet before the operation |
| 07/29/1992 | CN2111185U Adjusting punch of printing machine |
| 06/23/1992 | US5123347 Scoring or perforating bar for offset presses |
| 09/24/1991 | US5050494 Fine adjustment system of finishing head in a printing, duplicating and like machine |
| 11/27/1990 | US4972747 Perforating strip for printing presses |
| 10/16/1990 | US4962686 Perforating strip for printing presses |
| 10/03/1990 | EP0287563B1 Perforation method and blanket for rotary printing machine provided with a perforation device, for example for offset machine |
| 10/02/1990 | US4960049 Offset printing machine having two printing units |
| 06/26/1990 | US4936214 Apparatus for adapting offset duplicator machines to accomodate numbering, printing, scoring, perforating and like device |
| 07/14/1988 | WO1988004991A1 Adapting offset duplicator for printing, scoring, perforating |
| 07/12/1988 | US4756245 Printing press having various printing heads |
| 04/28/1988 | DE3735497A1 Perforationsvorrichtung fuer druckmaschinen Perforator for printing machines |
| 03/22/1988 | US4732083 Rotary die cylinder assembly |
| 07/02/1987 | WO1987003844A1 Perforation method and blanket for rotary printing machine provided with a perforation device, for example for offset machine |
| 12/09/1986 | CA1214961A1 Apparatus for continuously treating or working on a flexible deformable blank support adapted to pass through a computer printer |
| 09/23/1986 | CA1211652A1 Rotary printing press conversion for perforating, punching etc. |
| 07/08/1986 | US4598638 Lateral perforation vertical registration device for offset press |
| 06/24/1986 | US4596546 Process and apparatus for perforating, stamping or creasing of paper and cardboard in rotary printing presses |
| 04/09/1986 | EP0108761B1 Method and device for perforating, punching or grooving paper and cardboard in a rotary press |
| 09/17/1985 | US4541337 Process and apparatus for continuously treating a web adapted to pass through a computer printer |
| 02/19/1985 | US4500082 Rotary business form printing press |
| 07/17/1984 | CA1170901A1 Devices for numeration, overprinting, perforation and cutting on 'offset' sheet printing machines, and related improved devices |
| 05/23/1984 | EP0108761A1 Method and device for perforating, punching or grooving paper and cardboard in a rotary press. |
| 11/24/1983 | WO1983004004A1 Method and device for perforating, punching or grooving paper and cardboard in a rotary press |
| 07/05/1983 | US4391175 Perforating device especially adapted for use with printing machines |
| 01/25/1983 | US4369703 Devices for numeration, overprinting, perforation and cutting on Offset sheet printing machines |
| 12/22/1981 | US4306496 Automatically controlled numbering machine |
| 11/18/1981 | EP0040183A1 Printing unit within a rotary offset sheet printing machine |
| 10/07/1981 | EP0037304A1 Perforating rule or the like usable on printing machines like offset machines and method of using it on the said machines |
| 08/04/1981 | CA1106231A1 Offset duplicating machine |
| 10/21/1980 | US4228735 Offset duplicating machine |
| 05/15/1979 | CA1054511A1 Roll fed rotary web device with improved perforator |
| 01/17/1978 | US4068582 Automatically controlled numbering machine |
| 11/29/1977 | US4060651 Method for applying stiffener to computer paper |
| 10/25/1977 | US4055101 Roll fed rotary web device with improved perforator |
| 12/07/1976 | US3995555 Removable redeemable coupon for newspaper advertisements and method and apparatus for producing same |