Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4617969 | Actuating device for two mutually dependently actuable valves | Dieter Dorrie, Paul Schwerdt | 1986-10-21 |
| 4584980 | Electrically operated valve | Dieter Dorrie, Paul Schwerdt | 1986-04-29 |
| 4531706 | Pressure operated control installation | Paul Schwerdt, Horst Grossner | 1985-07-30 |
| 4460840 | Temperature compensated piezoelectric actuator arrangement | Paul Schwerdt, Helmut Hirn | 1984-07-17 |
| 4399705 | Acceleration detector | Paul Schwerdt, Alfred Ziegenberg | 1983-08-23 |
| 4349746 | Frequency generator | Horst Grossner, Gunter Schwegler | 1982-09-14 |