Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6319303 | Process for purifying a gas and corresponding system | Alain Guillard | 2001-11-20 |
| 6295835 | Process for air separation by cryogenic distillation | — | 2001-10-02 |
| 6240745 | Process and plant for the purification and cryogenic separation of air without precooling | Georges Kraus, Alain Guillard, Philippe Fraysse | 2001-06-05 |
| 6148637 | Air-distillation plant and corresponding cold box | Alain Guillard, Jean-Marc Tsevery, Gilles Bracque, Benoit Rousseau | 2000-11-21 |
| 5941098 | Method and plant for supplying a variable flow rate of a gas from air | Alain Guillard | 1999-08-24 |