Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5996373 | Cryogenic air separation process and apparatus | Lucien Greter | 1999-12-07 |
| 5373699 | Process for the production of nitrogen by cryogenic distillation of atmospheric air | Sophie Gastinne, Bao Ha, Naohiko Yamashita | 1994-12-20 |
| 5355680 | Process and installation for producing gaseous nitrogen with variable flow rate | Bernard Darredeau, Maurice Grenier, Catherine Garnier | 1994-10-18 |
| 5333683 | Indirect heat exchanger | Pascal Arriulou, Alain Grelaud | 1994-08-02 |
| 5333463 | Production and installation for the production of gaseous nitrogen at several different purities | Catherine Garnier | 1994-08-02 |
| 5325674 | Process for the production of nitrogen by cryogenic distillation of atmospheric air | Sophie Gastinne, Bao Ha, Naohiko Yamashita | 1994-07-05 |
| 5287873 | Installation and process for the distribution of very high purity nitrogen | — | 1994-02-22 |
| 5233839 | Process for operating a heat exchanger | Lucien Greter | 1993-08-10 |
| 5205042 | Process for adjusting the verticality of an article disposed in a closed envelope and assembly for carrying this process | Lucien Greter | 1993-04-27 |
| 5157927 | Process and apparatus for the production of gaseous nitrogen and system for supplying corresponding nitrogen | Francois Darchis, Jean-Louis Girault, Maurice Grenier, Patrick Jozon | 1992-10-27 |
| 5137548 | Process and apparatus for purifying air to be distilled by adsorption | Maurice Grenier, Sophie Gastinne, Pierre Petit | 1992-08-11 |