| 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 |