Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5687828 | Friction clutch for a drive train of a motor vehicle and a torsional damper for a friction clutch | Norbert Ament | 1997-11-18 |
| 5630491 | Friction clutch for a transmission of a motor vehicle and a clutch disc for a friction clutch | Norbert Ament | 1997-05-20 |
| 5529161 | Friction clutch for a transmission of a motor vehicle and a torsional damper for a friction clutch | Norbert Ament | 1996-06-25 |
| 5431269 | Transmission for a motor vehicle with a friction clutch having a clutch disc with torsionally locked friction ring | Norbert Ament | 1995-07-11 |
| 5238096 | Clutch plate for a motor vehicle friction clutch | Norbert Ament | 1993-08-24 |
| 5230415 | Clutch plate for a motor vehicle friction clutch | Norbert Ament | 1993-07-27 |
| 5205389 | Clutch disk | Norbert Ament | 1993-04-27 |
| 5000304 | Clutch disc | Wolfgang Kock, Karl H. Dotter, Norbert Ament | 1991-03-19 |
| 4998608 | Clutch disk with delayed friction device | Norbert Ament, Dieter Bernhard | 1991-03-12 |
| 4966269 | Clutch disc having a hub disc and a sintered steel hub blank and a method of producing the clutch disc | Manfred Klein, Nikolaus D. Mackert, Karlheinz Hofmann, Gerhard Bittenbring | 1990-10-30 |
| 4809830 | Torque transmitting torsional vibration damper device | Bernhard Schierling, Manfred Caspar, Franz Hartig, Norbert Pieper, Wolfgang Grosspietsch | 1989-03-07 |
| 4669593 | Clutch disc for a motor vehicle friction clutch | Hilmar Gobel | 1987-06-02 |
| 4645054 | Torsional vibration damper with smooth transition between two spring systems | — | 1987-02-24 |
| 4637500 | Hydrodynamic coupling with serially arranged damper units | Hilmar Gobel | 1987-01-20 |
| 4585110 | Torsional damper structure for a clutch disc used in a motor-vehicle clutch | Hilmar Gobel | 1986-04-29 |
| 4577743 | Clutch disc for a motor vehicle friction clutch | Hilmar Gobel | 1986-03-25 |
| 4569430 | Clutch disc for a motor vehicle friction clutch | Hilmar Gobel, Bernhard Schierling | 1986-02-11 |
| 4274525 | Clutch disc | Helmuth Weissenberger | 1981-06-23 |