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, Andreas Eiletz +2 more | 2020-06-02 |
| 10480658 | Mechanical seal arrangement having a bellows element | Dieter Ziegenbein, Wolfgang Ries, Rudolf Schicktanz, Jorg Thelke, Andreas Eiletz +2 more | 2019-11-19 |
| 8267406 | Retaining ring for a seal ring of a mechanical seal assembly | Reinhard Svejkovsky, Wolfgang Ries | 2012-09-18 |
| 6220601 | Mechanical face seal device | Thomas Keller, Ulrich Reinfrank, Wolfgang Ries, Reinhard Svejkovsky, Dieter Ziegenbein | 2001-04-24 |