Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10670150 | Mechanical seal arrangement with a bellows element | Wolfgang Ries, Rudolf Schicktanz, Jorg Thelke, Robert Woppowa, Andreas Eiletz +2 more | 2020-06-02 |
| 10480658 | Mechanical seal arrangement having a bellows element | Wolfgang Ries, Rudolf Schicktanz, Jorg Thelke, Robert Woppowa, Andreas Eiletz +2 more | 2019-11-19 |
| 9010762 | Low-friction seal ring with inexpensive diamond coating | Joachim Otschik, Andreas Schrufer, Rudolf Kollinger, Lothar Schäfer, Markus Höfer +1 more | 2015-04-21 |
| 6220601 | Mechanical face seal device | Thomas Keller, Ulrich Reinfrank, Wolfgang Ries, Reinhard Svejkovsky, Robert Woppowa | 2001-04-24 |
| 5909878 | Mechanical face seal assembly | Andreas Schrufer, Walter Ittner, Reinhard Svejkovsky, Andreas Schopf | 1999-06-08 |