Issued Patents 1994
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |
| 5333463 | Production and installation for the production of gaseous nitrogen at several different purities | Catherine Garnier | 1994-08-02 |
| 5333683 | Indirect heat exchanger | Pascal Arriulou, Alain Grelaud | 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 |