Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4266467 | Differential pressure limiting valve | Guenter Keller, Andreas Pohl | 1981-05-12 |
| 4261587 | Mechanical chucking device | Guenter Keller, Andreas Pohl, Rudolf Sandner | 1981-04-14 |
| 4245844 | Apparatus for removing leakage flow of a pressurized medium from gap type seals | Andreas Pohl, Guenter Keller | 1981-01-20 |