Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7832540 | Friction clutch having a hydraulic actuator, and drive unit having at least one such friction clutch | Johannes Quehenberger | 2010-11-16 |
| 7296669 | Simple action actuator with a hydraulic fast-opening valve for controlling a clutch | Johannes Quehenberger, Franz Gratzer | 2007-11-20 |
| 6598721 | Transfer case with clutch unit for connecting two output shafts, and coupling method | — | 2003-07-29 |