Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10955054 | Mechanical seal arrangement and well bore conveyor device | Peter Droscher, Dieter Pfeil, Berthold Schulten, Glenn H. Schmidt, Eric Vanhie | 2021-03-23 |
| 10584794 | Mechanical seal arrangement with a release protection device | Joachim Skrzidlo, Berthold Schulten | 2020-03-10 |
| 9657775 | Bearing component comprising an inner diamond coating | Joachim Otschik, Wolfgang Berger, Michael L. Rieger | 2017-05-23 |