Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9841107 | Mechanical seal arrangement having sliding surfaces of different hardness | Joachim Otschik, Andreas Kretschmer, Carsten Scholz, Andreas Schrufer | 2017-12-12 |
| 9556960 | Seal ring of a mechanical seal assembly having properties extending the running time, and method for the production thereof | Jorg Thelke, Joachim Otschik, Peter Droscher, Ferdinand Werdecker, Klaus Lang +6 more | 2017-01-31 |