Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8377401 | Process and apparatus for the separation of a gaseous mixture | Arthur Darde, Bao Ha | 2013-02-19 |
| 8252089 | Method and device for drying a gas flow rich in carbon dioxide | Arthur Darde, Jean-François Rauch, Dominique Antonio, Christophe Michel | 2012-08-28 |
| 7708804 | Process and apparatus for the separation of a gaseous mixture | Arthur Darde, Bao Ha | 2010-05-04 |
| 7143606 | Combined air separation natural gas liquefaction plant | — | 2006-12-05 |
| 6790415 | Process and reactor for treating a gas by means of a regenerable active packing | Pierre Petit, Maurice Bosquain, Jean-Yves Lehman | 2004-09-14 |
| 6484534 | Process and plant for separating air by cryogenic distillation | — | 2002-11-26 |
| 6257020 | Process for the cryogenic separation of gases from air | — | 2001-07-10 |
| 6047562 | Process and plant for separating air by cryogenic distillation | — | 2000-04-11 |
| 6006545 | Liquefier process | — | 1999-12-28 |
| 5704228 | Process and device for the evaporation of a liquid flow | — | 1998-01-06 |
| 5682767 | Argon production | Francois De Bussy | 1997-11-04 |
| 5392609 | Process and apparatus for the production of impure oxygen | Jean-Louis Girault, Philippe Mazieres | 1995-02-28 |
| 5341647 | Porcess and apparatus for the production of high pressure nitrogen and oxygen | Yves Koeberle | 1994-08-30 |
| 5291737 | Process or apparatus for distilling air and application in feeding gas to a steel mill | Francois Camberlein, Jean-Louis Girault, Philippe Mazieres | 1994-03-08 |
| 5271231 | Method and apparatus for gas liquefaction with plural work expansion of feed as refrigerant and air separation cycle embodying the same | Bao Ha | 1993-12-21 |