Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6669922 | Installation for the production of pure hydrogen from a gas containing helium | — | 2003-12-30 |
| 6543252 | Vaporizer-condenser and corresponding air distillation installation | Marc Wagner, Claude Gerard | 2003-04-08 |
| 6539701 | Air distillation and electricity generation plant and corresponding process | Richard Dubettier, Carina Zundel | 2003-04-01 |