Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4762480 | Rotary pump | Otmar Winkler, Heinz Peter | 1988-08-09 |
| 4480529 | Axial piston pump | Ottmar Winkler | 1984-11-06 |
| 4451215 | Rotary piston apparatus | Ottmar Winkler | 1984-05-29 |
| 4236766 | Roller having supporting body between outer tread body and inner bearing | Hans Meining, Otmar Winkler, Hilmar Kittel | 1980-12-02 |