Issued Patents All Time
Showing 51–60 of 60 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5086892 | Hydrodynamic torque converter | — | 1992-02-11 |
| 5080215 | Torsion vibration damper | Andreas Forster | 1992-01-14 |
| 4813295 | Fly-wheel unit with disengageable friction device | Hans-Jurgen Drexl, Franz Hartig, Manfred Caspar | 1989-03-21 |
| 4809830 | Torque transmitting torsional vibration damper device | Manfred Caspar, Harald Raab, Franz Hartig, Norbert Pieper, Wolfgang Grosspietsch | 1989-03-07 |
| 4782718 | Fly-wheel unit for an internal-combustion engine | Franz Hartig, Friedrich Kittel, Manfred Caspar, Norbert Pieper, Alfred Schraut +2 more | 1988-11-08 |
| 4569430 | Clutch disc for a motor vehicle friction clutch | Harald Raab, Hilmar Gobel | 1986-02-11 |
| 4542813 | Frictional clutch assembly | — | 1985-09-24 |
| 4526260 | Torque transmission device | — | 1985-07-02 |
| 4493673 | Torsional vibration damper unit | Peter Anders | 1985-01-15 |
| 4378061 | Fluid pressure clutch | Kurt Fadler | 1983-03-29 |