Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8308143 | Method for stirring a liquid and for injecting a gas into this liquid, suitable for shallow basins | Alain Villermet, Christian Larquet | 2012-11-13 |
| 6348083 | Process and installation for the recovery and/or purification of the nitrous oxide contained in a waste gas | Philippe Urner | 2002-02-19 |
| 6235087 | Device for supplying a purified gas to a plant purged using this purified gas | Pascal DuPont | 2001-05-22 |
| 5144809 | Apparatus for production of nitrogen | Christiane Muller, Frederic Rousseau, Laurent Savinel, Jean-Yves Thonnelier | 1992-09-08 |