Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6069336 | Plasma or TIG welding or cutting process with a non-oxidizing gas having a low H.sub.2 O and/or O.sub.2 impurity content | Andre Borne | 2000-05-30 |
| 5989647 | Heat-treatment device and process | Bernard Hansz, Vincent Gourlaouen, Christian Coddet, François Pesme, Han Lin Liao | 1999-11-23 |
| 4625094 | Plasma torches | Gerard Marhic, Didier Schaff | 1986-11-25 |
| 4598191 | Very low power plasma arc cutting equipment | Gerard Marhic | 1986-07-01 |
| 4555609 | Arc working torches | Gerard Marhic, Didier Schaff | 1985-11-26 |