Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6286536 | Safety device for a vessel under gas pressure | Konstantin Rottger | 2001-09-11 |
| 6182692 | Valve assembly for an apparatus under pressure | Andreas Fischer | 2001-02-06 |
| 4660601 | Valve arrangement | Ulrich Dirksmeier, Wilhelm Fringes | 1987-04-28 |