Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11602653 | Method for extinguishing a flame front and extinguishing device | Ralf Kosmehl, Frank Helmsen, Michael Davies, Tom Gutte | 2023-03-14 |
| 11112013 | Tank valve and tank with such a valve | Ralf Kosmehl, Frank Helmsen, Thorsten Schaper, Michael Davies | 2021-09-07 |
| 7241137 | Flame arrestor | Christoph Leinemann | 2007-07-10 |