Issued Patents 2024
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12049836 | Valve stem seal comprising a valve rotating device | Dirk Schober, Frank Zwein, Florian Ringeling, Stefan Kellermann | 2024-07-30 |
| 11951561 | Method for producing a welded cavity valve | ANTONIUS WOLKING | 2024-04-09 |
| 11898473 | Method and device for manufacturing hollow, internally cooled valves | Dirk Schober | 2024-02-13 |