Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9005520 | Steel compositions for special uses | Jean Leyer, Bruno Vandenberghe, Viviane Lepingle, Ghislain Louis | 2015-04-14 |
| 6933264 | Threaded component for seizure-resistant tubular threaded joint | — | 2005-08-23 |
| 5253902 | Anti-seizing surface coating for assembly means for tubes by threadings and process for producing such a coating | Francois David | 1993-10-19 |