Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6502682 | Hydraulic release system | Walter Parzefall, Ludwig Winkelmann, Harald Peschke | 2003-01-07 |
| 6273231 | Fluid operated clutch disengaging apparatus | Walter Parzefall, Ludwig Winkelmann, Harald Peschke | 2001-08-14 |
| 5993067 | Release bearing for actuating gearshift clutch of an automotive vehicle | Peter Giese, Ralf Bossner | 1999-11-30 |
| 5496113 | Linear bearing element | Ludwig Winkelmann | 1996-03-05 |
| 5399023 | Wiper unit for a bearing component | Ludwig Winkelmann, Steffen Kotzsch | 1995-03-21 |
| 5186544 | Wiper unit for a linear bearing element | Jean Marie Eder, Hans-Reinhard Lambertz | 1993-02-16 |
| 4886482 | Novel tensioning device | Werner Petri | 1989-12-12 |