Issued Patents All Time
Showing 1–2 of 2 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 |