Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12007032 | Method for operating a mechanical face seal assembly, and mechanical face seal assembly | Joachim Otschik, Michael Müller, Klaus Lang, Rolf Johannes | 2024-06-11 |
| 9759331 | Mechanical face seal with a rotating counter ring and precisely defined clamping | Martin Kirchhof, Guenther Lederer, Thomas Keller | 2017-09-12 |
| 9086152 | Mechanical face seal | Martin Kirchhof, Guenther Lederer, Thomas Keller | 2015-07-21 |
| 8523186 | Slide ring seal arrangement | Andreas Schrufer, Manfred Oppler, Günther Lederer, 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, Günther Lederer, Petia Philippi, Andreas Schrufer | 2012-06-05 |
| 7862046 | Mechanical seal assembly | Günther Lederer, Andreas Schrufer, Peter Droscher, Petia Philippi | 2011-01-04 |