Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11821522 | Mechanical seal arrangement suitable for pressure reversal | Robert Reischl, Thomas Stemplinger, Carsten Scholz | 2023-11-21 |
| 11448322 | Maintenance-friendly mechanical seal | Hans Steigenberger | 2022-09-20 |
| 10955054 | Mechanical seal arrangement and well bore conveyor device | Andreas Pehl, Dieter Pfeil, Berthold Schulten, Glenn H. Schmidt, Eric Vanhie | 2021-03-23 |
| 9909668 | Mechanical seal having a simplified construction | Bernhard Jenisch, Joseph Fichtner, Josef Gerg | 2018-03-06 |
| 9556960 | Seal ring of a mechanical seal assembly having properties extending the running time, and method for the production thereof | Jorg Thelke, Rudolf Schicktanz, Joachim Otschik, Ferdinand Werdecker, Klaus Lang +6 more | 2017-01-31 |
| 8523186 | Slide ring seal arrangement | Andreas Schrufer, Manfred Oppler, Günther Lederer, Armin Laxander, Klaus Lang +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 | Armin Laxander, Günther Lederer, Petia Philippi, Andreas Schrufer | 2012-06-05 |
| 7862046 | Mechanical seal assembly | Günther Lederer, Andreas Schrufer, Petia Philippi, Armin Laxander | 2011-01-04 |
| 7823885 | Dual seal assembly | Michael Sattler, Gerard Hamelink, Günther Lederer | 2010-11-02 |
| 7240904 | Secondary sealing element | Klaus Lang, Günther Lederer, Josef Nosowicz, Andreas Schrufer, Georg Steigenberger +1 more | 2007-07-10 |