Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4903727 | Safety valve | — | 1990-02-27 |
| 4903728 | Safety valve | — | 1990-02-27 |
| 4903729 | Safety valve | — | 1990-02-27 |
| 4821773 | Directional control valve | Erich Herion | 1989-04-18 |
| 4555977 | Hydraulic control circuit for controlling and monitoring operating pressure in a hydraulic consumer device | — | 1985-12-03 |
| 4473095 | Hydraulic valve | — | 1984-09-25 |
| 4452267 | Pressure regulating valve | Helmut Ott | 1984-06-05 |