Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6082398 | Device for regulating the flow of gases having substantially different molar masses | Jean-Marc Girard, Alain Mail | 2000-07-04 |
| 5937886 | Method and device for delivering a pure gas charged with a predetermined quantity of at least one gaseous impurity to an apparatus | Jean-Marc Girard, Alain Mail | 1999-08-17 |
| 5928415 | Selection device for providing one or the other of two gases to an apparatus | Jean-Marc Girard, Alain Mail | 1999-07-27 |
| 5922286 | Device for delivering any one of a plurality of gases to an apparatus | Jean-Marc Girard, Alain Mail | 1999-07-13 |
| 5900214 | Device for delivering any one of a plurality of gases to an apparatus | Jean-Marc Girard, Alain Mail | 1999-05-04 |
| 5635620 | Device for supplying gas to an analyzer of traces of impurities in a gas | Catherine Ronge, Alain Mail | 1997-06-03 |
| 5587519 | Process and device for supplying gas to an analyzer of traces of impurities in a gas | Catherine Ronge, Alain Mail | 1996-12-24 |
| 5229605 | Process for the elementary analysis of a specimen by high frequency inductively coupled plasma mass spectrometry and apparatus for carrying out this process | Martine Bridenne, Eric Coffre, Robert Hutton | 1993-07-20 |