Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5219922 | Silicone elastomers having reduced compression set and a process for their production | Helmut Steinberger, Thomas Naumann | 1993-06-15 |
| 4973224 | Impeller-and-seal unit for liquid pumps | — | 1990-11-27 |
| 4825824 | Valve clearance adjusting device | Hans Deuring | 1989-05-02 |
| 4815425 | Diaphragm seal for a valve tappet | Hans Deuring | 1989-03-28 |