Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8210505 | Corrugated criss-crossing packing structure | — | 2012-07-03 |
| 7337616 | System for sampling cryogenic liquids, and air separation unit provided with at least one such system | David Meneses, Jean-Yves Lehman | 2008-03-04 |
| 6695043 | Falling-film evaporator and corresponding air distillation plants | Marc Wagner, Etienne Werlen, Jean-Renaud Brugerolle, Jean-Yves Lehman | 2004-02-24 |
| 6458330 | Installation in which an operation is performed requiring over the atmosphere inside a chamber | Panayotis Cocolios, François Coeuret, Wolfgang Döring, Franck Forster, Jean-Louis Gelot +4 more | 2002-10-01 |
| 6423658 | Adsorbent with a high macroporosity, usable in a gas adsorption process, especially a PSA process | Bernard Lledos, Jacques Labasque, Frederic Crayssac | 2002-07-23 |
| 6415855 | Corrugated fin with partial offset for a plate-type heat exchanger and corresponding plate-type heat exchanger | Claude Gerard, Claire Szulman, Fabienne Chatel, Etienne Werlen | 2002-07-09 |
| 6374636 | Bath reboiler-condenser and corresponding air distillation plant | Jean-Yves Lehman, Jean-Renard Brugerolle, Etienne Werlen | 2002-04-23 |
| 6047561 | Process and device for the production of ultra-pure inert gas | Daniel Gary, Rene Lardeau | 2000-04-11 |
| 5478534 | Apparatus for preparing ultra-pure nitrogen | Jean Louise, Bertrand Mollaret, Daniel Gary | 1995-12-26 |
| 5238670 | Process for preparing ultra-pure nitrogen | Jean Louise, Bertrand Mollaret, Daniel Gary | 1993-08-24 |
| 5165602 | Process and device for cutting by liquid jet | Michel Arnout | 1992-11-24 |
| 5144809 | Apparatus for production of nitrogen | Gilbert Chevalier, Christiane Muller, Frederic Rousseau, Laurent Savinel | 1992-09-08 |
| 4874413 | Process and installation for supplying nitrogen to an apparatus | — | 1989-10-17 |
| 4783973 | Apparatus for freezing by means of a cryogenic liquid biological products placed in straws | Nicole Angelier, Joseph Bionda | 1988-11-15 |
| 4741168 | Cooling process and tunnel | Bernard Boyer, Louis Giacinti | 1988-05-03 |