Issued Patents All Time
Showing 26–50 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883153 | Friction clutch | Edmund Maucher, Lothar Huber, Kurt Frietsch | 1989-11-28 |
| 4811474 | Friction clutch | Lothar Huber | 1989-03-14 |
| 4751992 | Composite flywheel with slip clutch | Oswald Friedmann | 1988-06-21 |
| 4738343 | Friction clutch and actuator therefor | — | 1988-04-19 |
| 4732250 | Torque transmitting and torsion damping assembly | Oswald Friedmann, Wolfgang Reik | 1988-03-22 |
| 4708230 | Declutching device | — | 1987-11-24 |
| 4700821 | Clutch plate | Rudolf Honemann | 1987-10-20 |
| 4700822 | Torsion damping assembly for clutch plates | Rudolf Honemann | 1987-10-20 |
| 4681199 | Apparatus for transmitting torque in motor vehicles | Oswald Friedmann | 1987-07-21 |
| 4660700 | Friction clutch and method of assembling the same | Lothar Huber | 1987-04-28 |
| 4638684 | Assembly for taking up and compensating for torque-induced shocks | — | 1987-01-27 |
| 4626696 | Flywheel propulsion system for automotive vehicles or the like | Oswald Friedmann, Siegfried Sonntag | 1986-12-02 |
| 4625847 | Diaphragm spring for use in friction clutches or the like | — | 1986-12-02 |
| 4572341 | Self-adjusting release system for friction clutches | — | 1986-02-25 |
| 4548310 | Torque transmitting device | — | 1985-10-22 |
| 4538718 | Clutch disc arrangement | — | 1985-09-03 |
| 4523558 | Internal combustion engine and clutch therefor | Oswald Friedmann | 1985-06-18 |
| 4520913 | Device for selectively separating and connecting a rotatable shaft | Oswald Friedmann | 1985-06-04 |
| 4492293 | Diaphragm spring for use in friction clutches or the like | — | 1985-01-08 |
| 4487173 | Apparatus for starting an internal combustion engine | Hugo-Werner Geschka | 1984-12-11 |
| 4458156 | Flywheel propulsion system for automotive vehicles or the like | Oswald Friedmann, Siegfried Sonntag | 1984-07-03 |
| 4429776 | Friction clutch | Patrick Weydmann | 1984-02-07 |
| 4427101 | Friction clutch unit | Oswald Friedmann | 1984-01-24 |
| 4426915 | Fluid-operated servomotor for actuation of clutches or the like | Oswald Friedmann, Johann Jackel | 1984-01-24 |
| 4420070 | Friction clutch unit | Oswald Friedman | 1983-12-13 |