Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9695941 | Sliding ring seal with conveying sleeve | Joseph Fichtner, Stefan Ledig, Joachim Skrzidlo, Thomas Böhm, Daniel Frohlich | 2017-07-04 |
| 9010762 | Low-friction seal ring with inexpensive diamond coating | Joachim Otschik, Andreas Schrufer, Dieter Ziegenbein, Lothar Schäfer, Markus Höfer +1 more | 2015-04-21 |
| 5722671 | Seal arrangement | Josef Nosowicz, Michael Riedl | 1998-03-03 |
| 5058905 | Seal | Josef Nosowicz | 1991-10-22 |