Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4763681 | Process for controlling the flow of a fluid in a valve and apparatus for carrying out said process | Hugues Vermeille, Jean Arnault | 1988-08-16 |
| 4653692 | Torche nozzle with internal gas mixing | Denis Bolot, Didier Lasnier | 1987-03-31 |
| 4527038 | Welding torch with non-consumable electrode and double shielding gas flow and the relevant welding process | Louis Auzary | 1985-07-02 |