Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10670150 | Mechanical seal arrangement with a bellows element | Dieter Ziegenbein, Wolfgang Ries, Rudolf Schicktanz, Jorg Thelke, Robert Woppowa +2 more | 2020-06-02 |
| 10480658 | Mechanical seal arrangement having a bellows element | Dieter Ziegenbein, Wolfgang Ries, Rudolf Schicktanz, Jorg Thelke, Robert Woppowa +2 more | 2019-11-19 |
| 9556960 | Seal ring of a mechanical seal assembly having properties extending the running time, and method for the production thereof | Jorg Thelke, Rudolf Schicktanz, Joachim Otschik, Peter Droscher, Ferdinand Werdecker +6 more | 2017-01-31 |
| 6616145 | Face seal device for high rotational speeds | Berthold Schulten, Werner Wolf, Thomas Keller | 2003-09-09 |