Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11255440 | Gas-lubricated mechanical seal having improved soiling protection | Ferdinand Werdecker, Andreas Fesl, Josef Strobl, Giuliano Rossi | 2022-02-22 |
| 11028926 | Mechanical seal arrangement with minimal leakage | Joachim Otschik, Jorg Thelke, Rudolf Schicktanz, Christine Labatut-Stolle, Aleksandar Simic +1 more | 2021-06-08 |
| 9841107 | Mechanical seal arrangement having sliding surfaces of different hardness | Joachim Otschik, Andreas Kretschmer, Carsten Scholz, Rudolf Schicktanz | 2017-12-12 |
| 9010762 | Low-friction seal ring with inexpensive diamond coating | Joachim Otschik, Dieter Ziegenbein, Rudolf Kollinger, Lothar Schäfer, Markus Höfer +1 more | 2015-04-21 |
| 8523186 | Slide ring seal arrangement | Manfred Oppler, Günther Lederer, Armin Laxander, Klaus Lang, Rolf Johannes +2 more | 2013-09-03 |
| 8191899 | Apparatus for rotationally fixing a seal ring of a mechanical seal assembly axially movably retained at a mounting component | Peter Droscher, Armin Laxander, Günther Lederer, Petia Philippi | 2012-06-05 |
| 7862046 | Mechanical seal assembly | Günther Lederer, Peter Droscher, Petia Philippi, Armin Laxander | 2011-01-04 |
| 7240904 | Secondary sealing element | Peter Droscher, Klaus Lang, Günther Lederer, Josef Nosowicz, Georg Steigenberger +1 more | 2007-07-10 |
| 5909878 | Mechanical face seal assembly | Walter Ittner, Reinhard Svejkovsky, Andreas Schopf, Dieter Ziegenbein | 1999-06-08 |