Issued Patents All Time
Showing 1–25 of 73 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7320281 | Method of varying a drum profile of a vario drum and vario drum for implementing the method | Daniel Conzelmann, Karl-Heinz Helmstadter, Thorsten Eckart, Christian Gorbing, Hans-Peter Hiltwein +3 more | 2008-01-22 |
| 7175176 | Device for feeding suction air or blowing air in a sheet-processing machine | — | 2007-02-13 |
| 7107906 | Device for feeding or removing a printing plate including a pivotal plate storage device having a linearly movable plate support | Farhad Haddadian, Stefan Mutschall, Ivo Richter, Steffen Siegemund, Joachim Zarges | 2006-09-19 |
| 7090216 | Device for stabilizing sheet guidance in a sheet-processing machine | — | 2006-08-15 |
| 6976427 | Gripper system | Jens Forche, Hans-Peter Hiltwein | 2005-12-20 |
| 6848363 | Device for changing the operating state of a gripper-control device in a sheet-reversing device of a sheet-processing machine and sheet-processing machine having the device | — | 2005-02-01 |
| 6840170 | Device for torque compensation in a sheet-processing machine and reversing drum having a torque compensation device | Daniel Conzelmann, Andreas Fricke, Gerhard Heppenstiel | 2005-01-11 |
| 6837491 | Device for sustaining a contact force of a control roller on a control cam appertaining thereto | Andreas Fricke | 2005-01-04 |
| 6705227 | Recto and verso printing press having upper and lower grippers and gripper pad with common center line | — | 2004-03-16 |
| 6655682 | Device for fixing the position of a sheet on a feeding table | Wolfgang Dolz | 2003-12-02 |
| 6619201 | Assembly including a device for holding a sheet on a cylinder participating in a reversal of the sheet in a sheet-processing machine | Daniel Conzelmann, Andreas Fricke | 2003-09-16 |
| 6581517 | Printing-machine cylinder, especially an impression cylinder, for a sheet-fed rotary printing machine, and method of production | Andreas Fricke | 2003-06-24 |
| 6557844 | Device for transferring sheets | Daniel Conzelmann, Andreas Fricke | 2003-05-06 |
| 6401610 | Method for taking over a sheet by a trailing edge thereof from an upline cylinder of a sheet-fed rotary printing press, and a transmission system for performing the method | Andreas Fricke | 2002-06-11 |
| 6254089 | Suction gripper for transferring the trailing edge of a sheet in a turning device of a sheet-fed rotary printing machine | Andreas Fricke | 2001-07-03 |
| 6254094 | Method and device for transferring a trailing edge of a sheet in a reversing device of a sheet-fed rotary printing machine | Andreas Fricke | 2001-07-03 |
| 6227112 | Apparatus for performing actuations or operations in a printing press | — | 2001-05-08 |
| 6098543 | Suction gripper in a reversing device of a sheet-fed rotary printing press | Andreas Fricke | 2000-08-08 |
| 6089157 | Method and device for transferring a sheet, by a trailing edge thereof, in a reversing device of a sheet-fed rotary printing press | Andreas Fricke | 2000-07-18 |
| 6047961 | Sheet sensor for use with a drum | Karl-Heinz Helmstaedter, Andreas Henn, Tobias Mueller, Juergen Rautert, Andreas Schulz +1 more | 2000-04-11 |
| 5996994 | Device for detecting mis-fed or missing sheets in a turning device of a printing press | — | 1999-12-07 |
| 5944431 | Sheet sensor device with light curtain | Karl-Heinz Helmstaedter, Andreas Henn, Tobias Mueller, Juergen Rautert, Andreas Schulz +1 more | 1999-08-31 |
| 5921182 | Cleaning device provided on a rotary printing machine | Jens Friedrichs, Frank Kropp | 1999-07-13 |
| 5918543 | Adjusting device for a gripper opening cam in a chain delivery of a sheet-red printing press | Jurgen Rautert, Ralf Wadlinger | 1999-07-06 |
| 5878669 | Cleaning device provided on a rotary printing machine | Jens Friedrichs, Frank Kropp | 1999-03-09 |