Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6165074 | Torsional vibration damper | Alfred Schraut, Karl Hubert, Richard Knoblach | 2000-12-26 |
| 6095308 | Clutch plate for motor vehicle clutches | Richard Knoblach, Alfred Schraut | 2000-08-01 |
| 6050382 | Clutch disk for a motor vehicle friction clutch | Barbara Ester, Achim Link | 2000-04-18 |
| 4854438 | Clutch disc for a friction disc clutch | Peter Huditz | 1989-08-08 |
| 4810231 | Torsional vibration damper having springs with progressive characteristics | Alfred Schraut | 1989-03-07 |
| 4809835 | Releaser snap connection for a pulled-type diaphragm spring clutch | Erwin Ziegler, Peter Huditz, Werner Fricke | 1989-03-07 |
| 4669594 | Clutch disc for a motor vehicle friction disc clutch | Johann Hayen | 1987-06-02 |
| 4651857 | Clutch disk unit for a motor vehicle clutch | Alfred Schraut | 1987-03-24 |
| 4592459 | Elastic torque transmission unit | Karl Werner | 1986-06-03 |
| 4591040 | Clutch disc for a motor vehicle friction clutch | Alfred Schraut | 1986-05-27 |
| 4274525 | Clutch disc | Harald Raab | 1981-06-23 |