Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8813931 | Free-wheel cage ring with centrifugal-force lifting | Karlheinz Timtner, Ruprecht Maurer | 2014-08-26 |
| 7870940 | Frictionally engaged free-wheel clutch | Thomas Heubach | 2011-01-18 |
| 5645149 | Freewheel-retainer ring with centrifugal force takeoff | Ruprecht Maurer, Karlheinz Timtner | 1997-07-08 |