Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8042674 | Clutch assembly with a leg spring | Andreas Hegerath, Uwe Hinsberger, Johann Kirchhoffer | 2011-10-25 |
| 4919643 | Device for setting a gear ratio in a continually variable belt-drive transmission | Gerd Adams | 1990-04-24 |
| 4914984 | Control valve for belt-drive continually variable transmission | Ernst Kohl | 1990-04-10 |