Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4627235 | Compact electrohydraulic drive for valves of turbomachines, especially turbines | Ernst Kristen Helgoy Kloster, Hans-Joachim Leupers, Helmut Schaper | 1986-12-09 |
| 4452269 | Electrohydraulic actuating drive for valves | — | 1984-06-05 |
| 4203471 | Monitoring device for steam-turbine valves | Ernst-Gunter Egener | 1980-05-20 |