Issued Patents 2004
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6831248 | Use of helium/nitrogen gas mixtures for the laser welding of stainless steel pipes | Karim Chouf, Philippe Lefebvre, Eric Verna | 2004-12-14 |
| 6815635 | Use of helium/nitrogen gas mixtures for laser welding tailored blanks | Karim Chouf, Philippe Lefebvre, Eric Verna | 2004-11-09 |
| 6770841 | Use of helium/nitrogen gas mixtures in up to 8kW laser welding | Karim Chouf, Philippe Lefebvre, Eric Verna | 2004-08-03 |
| 6723956 | Pulsed-arc welding process and device | Christophe Mas, Georges Caillibotte, Jean-Pierre Eyschen | 2004-04-20 |
| 6683268 | Application of a hybrid arc/laser process to the welding of pipe | Christian Bonnet | 2004-01-27 |