Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9869394 | Sealing system and sealing ring | Ernst-Peter Von Bergen, Carlos Fangauf, Lars Ziemen, Ivan Ristic, Guido Wuestenhagen | 2018-01-16 |
| 9447883 | Seal for sealing shafts | Ernst-Peter Von Bergen, Lars Ziemen, Carlos Fangauf, Guido Wuestenhagen, Ivan Ristic | 2016-09-20 |
| 8616840 | Sealing arrangement, sealing ring and use thereof | Ivan Ristic | 2013-12-31 |