Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6666048 | Variable capacity fluid mixture separation apparatus and process | Jean-Renaud Brugerolle, Alain Guillard, Bernard Saulnier, Patrick Le Bot, Jean-Marc Tsevery +2 more | 2003-12-23 |
| 6536233 | Process and installation for the production of ultra-pure oxygen by distillation of air | Alain Briglia | 2003-03-25 |
| 6393864 | Bath reboiler-condenser consisting of brazed plates and its application to an air distillation plant | — | 2002-05-28 |
| 6395138 | Liquid dispenser for distilling column, and corresponding distilling column | Jean-Yves Lehman | 2002-05-28 |
| 6294053 | Liquid dispenser for oscillating distilling column, and corresponding distilling column | — | 2001-09-25 |
| 6272883 | Plant for separation of a gas mixture by distillation | Olivier Bruder, Jean-Yves Lehman | 2001-08-14 |
| 6205815 | Plant for separation of a gas mixture by distillation | Olivier Bruder, Jean-Yves Lehman | 2001-03-27 |
| 5901580 | Process and installation for the separation of air | Jean-Yves Lehman, Jean-Marc Peyron | 1999-05-11 |
| 5778699 | Process and installation for the production of argon by cryogenic distillation | — | 1998-07-14 |
| 5685172 | Process and device for the preparation of a flow which is substantially purified with respect to at least one of the impurities oxygen and carbon monoxide | Daniel Gary, Christiane Muller | 1997-11-11 |
| 5666825 | Process and installation for the separation of air | Jean-Yves Lehman, Jean-Marc Peyron | 1997-09-16 |
| 5629208 | Method for controlling impurities in an installation for the separation of air | Amelie Jacomet | 1997-05-13 |
| 5592834 | Process and installation for the separation of air | Jean-Yves Lehman, Jean-Marc Peyron | 1997-01-14 |
| 5548975 | Process and installation for the separation of a gaseous mixture by cryogenic distillation | Norbert Rieth, Jean-Yves Lehman | 1996-08-27 |
| 5505051 | Process for restarting an auxilliary column for argon/oxygen separation by distillation and corresponding installation | Jean-Marc Peyron | 1996-04-09 |
| 5454226 | Process and plant for liquefying a gas | Philippe Fraysse, Corinne Garot | 1995-10-03 |
| 5437160 | Process and installation for the separation of air | Jean-Yves Lehman, Jean-Marc Peyron | 1995-08-01 |
| 5412953 | Process and installation for the production of gaseous oxygen and/or gaseous nitrogen under pressure by distillation of air | Catherine Garnier, Alain Guillard, Philippe Fraysse, Jean-Yves Lehman, Norbert Rieth | 1995-05-09 |
| 5386686 | Process for the operation of a gas turbine group and the production of at least one air gas | Denis Chretien, Jean-Louis Girault | 1995-02-07 |
| 5355680 | Process and installation for producing gaseous nitrogen with variable flow rate | Maurice Grenier, Catherine Garnier, Francois Venet | 1994-10-18 |
| 5337569 | Process and installation for the transfer of liquid | — | 1994-08-16 |
| 5209070 | Process and arrangement for the distillation of air in the production of gaseous oxygen under variable operating conditions | — | 1993-05-11 |
| 5082482 | Process and apparatus for the production of gaseous oxygen with a variable flow by air distillation | — | 1992-01-21 |