Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5921366 | Friction element for use in clutches | Ernst Walth | 1999-07-13 |
| 5738198 | Friction element for use in clutches | Ernst Walth | 1998-04-14 |
| 5501309 | Hydrokinetic torque converter with lockup clutch | Ernst Walth | 1996-03-26 |
| 5168137 | Manually operable circuit breaker | Friedrich Hufnagel | 1992-12-01 |
| 4670812 | System for monitoring the operating condition of a switch to prevent overstress | Rudolf Doerfler, Kurt W. Krause, Gerd Kummerow, Boudewijn Moerman, Rudolf Schnabel +3 more | 1987-06-02 |