Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11718373 | Ballast seal | Francois Colineau, Jens Hofmann | 2023-08-08 |
| 11560949 | Sealing element | Guenter Hintenlang, Martin Heldmann, Jens Hofmann | 2023-01-24 |
| 11002363 | Seal | Francois Colineau, Jens Hofmann | 2021-05-11 |
| 10190690 | Preliminary seal, preliminary seal arrangement and sealing ring comprising the preliminary seal | Francois Colineau, Guenter Hintenlang, Stefan Koenig | 2019-01-29 |
| 10161522 | Sealing ring | Francois Colineau, Guenter Hintenlang | 2018-12-25 |
| 8647758 | Electrochemical energy storage device | Peter Kritzer | 2014-02-11 |
| 7309520 | Flat packing and method for the production thereof | Steffen Kosack, Ulrich Liedtke, Frank Schultz | 2007-12-18 |
| 7017913 | Axial shaft seal | Eberhard Bock, Thomas Kramer, Werner Hufnagel, Martin Heldmann, Markus Clemens +1 more | 2006-03-28 |