Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7287750 | Machine for processing printing material sheets, in particular sheet-fed printing press, and method of operating the machine | Jens Friedrichs, Karl-Heinz Helmstadter, Hans-Peter Hiltwein, Olaf Lorenz, Gunter Stephan +2 more | 2007-10-30 |
| 6263794 | Gripper for a sheet-transporting cylinder or drum of a rotary printing press | — | 2001-07-24 |
| 5988065 | Device for controlling suction air or vacuum and method of actuating the device | Raimund Schroder, Karl-Heinz Helmstadter, Hans-Peter Hiltwein, Roland Krupp | 1999-11-23 |
| 5862755 | Rotary printing-machine cylinder having a variable outer diameter | — | 1999-01-26 |
| 5826510 | Adjustment device for adjusting the height of gripper impact bars disposed diametrically opposite one another on sheet-guiding cylinder of a printing press | — | 1998-10-27 |
| 5749296 | Sheet transfer device of a sheet-fed rotary printing press | — | 1998-05-12 |
| 5611276 | Suction-type grippers for a sheet transfer drum | — | 1997-03-18 |
| 5542659 | Multi-way slide-type shutoff valve for suction air of suction-type grippers on a sheet-transfer drum | — | 1996-08-06 |
| 5501447 | Device for adjusting the positions of suction-type grippers on a sheet-transfer drum | — | 1996-03-26 |
| 5482267 | Device for adjusting the position of suction-type grippers on a sheet-transfer drum | — | 1996-01-09 |
| 5480138 | Device for sheet-format adjustment of a sheet-transfer drum | Maurice Lammerzahl | 1996-01-02 |
| 5480137 | Suction-air control device for a sheet-transfer drum | — | 1996-01-02 |
| 5456458 | Device for adjusting the positions of suction grippers on a sheet transfer druw | — | 1995-10-10 |
| 5402723 | Device for sheet-format adjustment of a sheet-transfer drum | Jens Friedrichs | 1995-04-04 |
| 5322013 | Device for remotely controlling clamping devices on cylinders in a rotary printing press | — | 1994-06-21 |
| 5029524 | Sheet transfer device for a printing machine | Arno Wirz | 1991-07-09 |
| 5026045 | Sheet-guiding drum assembly for sheet-fed rotary printing machines | Arno Wirz | 1991-06-25 |
| 4848230 | Remotely controllable adjusting means for elastically deforming a register rail | — | 1989-07-18 |
| 4735142 | Sheet transfer drum | — | 1988-04-05 |
| 4615265 | Transfer drum for conveying sheets | — | 1986-10-07 |