Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8910766 | Multi-disc clutch | August Kriebernegg, Alois Lafer, Johannes Quenhenberger, Helmuth Sachsenmaier | 2014-12-16 |
| 8678158 | Torque transmission arrangement | Helmuth Sachsenmaier, Hannes Sperker | 2014-03-25 |