Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5083987 | Self-locking hydrostatic differential gearing | Tillmann Korner, Konrad Langenbeck | 1992-01-28 |
| 4950215 | Self-locking differential gearing | Tillmann Korner | 1990-08-21 |
| 4773513 | Hydrodynamic working circuit with device for reducing air circulation losses | Berthold Herrmann, Olaf Spitzer, Rudolf Fetzer | 1988-09-27 |
| 4744443 | Hydrodynamic retarder | — | 1988-05-17 |
| 4715481 | Hydrodynamic retarder | — | 1987-12-29 |
| 4597481 | Hydrodynamic control coupling | Helmut Muller | 1986-07-01 |
| 4421213 | Hydrodynamic torque-transfer unit, especially a hydrodynamic brake | Berthold Herrmann | 1983-12-20 |
| 4411340 | Hydrodynamic brakes | Berthold Herrmann | 1983-10-25 |
| 4343383 | Hydrodynamic torque transmitting unit, particularly for a hydrodynamic brake | Hans Lindenthal, Franz X. Zaunberger | 1982-08-10 |