Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4760905 | Fluid friction clutch | — | 1988-08-02 |
| 4706792 | Fluid friction clutch | — | 1987-11-17 |
| 4690103 | Viscous fan coupling unit | Peter Anders | 1987-09-01 |
| 4685549 | Temperature-dependently controllable fluid friction clutch | Gerd Brunken, Oswald Reis | 1987-08-11 |
| 4676355 | Fluid friction clutch | Gerd Brunken, Dieter Neugebauer | 1987-06-30 |