Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5685172 | Process and device for the preparation of a flow which is substantially purified with respect to at least one of the impurities oxygen and carbon monoxide | Bernard Darredeau, Daniel Gary | 1997-11-11 |
| 5321954 | Streaming heat exchanger and apparatus for air distillation comprising such an exchanger | Jean-Yves Lehman, Frederic Rousseau, Cecile Tosi | 1994-06-21 |
| 5205351 | Process for vaporizing a liquid, heat exchanger therefor, and application thereof to an apparatus for air distillation with a double column | Frederic Rousseau | 1993-04-27 |
| 5144809 | Apparatus for production of nitrogen | Gilbert Chevalier, Frederic Rousseau, Laurent Savinel, Jean-Yves Thonnelier | 1992-09-08 |