Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7438170 | Clutch release arrangement | Markus Maier, Ludwig Winkelmann | 2008-10-21 |
| 7416070 | Clutch operator for a disconnectable clutch in motor vehicles | Ludwig Winkelmann, Steffen Dittmer | 2008-08-26 |
| 6854578 | Clutch release bearing with improved sealing arrangement | Steffen Dittmer, Ludwig Winkelmann | 2005-02-15 |
| 6843354 | Self-adjusting clutch release bearing | Steffen Dittmer, Ludwig Winkelmann | 2005-01-18 |
| 6811013 | Clutch release bearing with improved sealing arrangement | Steffen Dittmer, Ludwig Winkelmann | 2004-11-02 |
| 6719117 | Self-adjusting clutch release bearing | Steffen Dittmer, Ludwig Winkelmann | 2004-04-13 |
| 6684997 | Self-adjusting clutch release bearing | Steffen Dittmer, Ludwig Winkelmann | 2004-02-03 |
| 6684996 | Release bearing with improved connection to a separating clutch | Ludwig Winkelmann, Steffen Dittmer, Stefan Kurzbeck | 2004-02-03 |