Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11408508 | Piston ring | Walter Stumpf, Steffen Hoppe, Rudolf Linde | 2022-08-09 |
| 10370755 | Method for producing piston a ring | Christiane Bauer, Yurly Ivanov | 2019-08-06 |
| 10000840 | Piston ring for internal combustion engines | Manfred Fischer, Christiane Bauer, Steffen Hoppe | 2018-06-19 |
| 9915346 | Piston ring | Christiane Bauer, Manfred Fischer, Jörg Vetter | 2018-03-13 |
| 9598763 | Piston ring for internal combustion engines | Manfred Fischer, Christiane Bauer, Steffen Hoppe | 2017-03-21 |
| 9488275 | Sliding element, in particular a piston ring, having a coating | Yuriy Ivanov, Marcus Kennedy, Michael Zinnabold | 2016-11-08 |
| 9488276 | Sliding element, in particular a piston ring, having a coating | Marcus Kennedy, Yuriy Ivanov, Michael Zinnabold | 2016-11-08 |
| 9447490 | Piston ring | Steffen Hoppe, Manfred Fischer, Christiane Bauer | 2016-09-20 |
| 8857820 | Piston ring | Christian Herbst-Dederichs, Peter Esser, Sebastian Bresinski | 2014-10-14 |
| 8273469 | Piston ring | Steffen Hoppe, Manfred Fischer, Christiane Bauer | 2012-09-25 |
| 8201831 | Sliding element, in particular piston ring, method for manufacturing a sliding element, sliding system and coating for a sliding element | Steffen Hoppe, Manfred Fischer, Manfred Muller, Christiane Bauer, Reiner Waller +1 more | 2012-06-19 |