Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7993174 | Torque transmission device for a ship | Ingo Sommer | 2011-08-09 |
| 6969289 | Marine vessel propulsion with a thrust bearing | Karl-Heinz Merk | 2005-11-29 |
| 6042436 | Shiftable disk clutch or disk brake | Burkhard Pinnekamp | 2000-03-28 |
| 5971821 | Shiftable disk clutch or disk brake | Burkhard Pinnekamp | 1999-10-26 |