Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11796061 | Sealing ring and use thereof | Andreas Koch, Akio Shimizu | 2023-10-24 |
| 10612662 | Sealing ring and the use thereof | Hans-Werner Guenther, Frank Schoenberg | 2020-04-07 |
| 9951870 | Wiper | Hans-Werner Guenther | 2018-04-24 |
| 9845880 | Sealing ring and use thereof | Hans-Werner Guenther | 2017-12-19 |