Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6336356 | Compact leak detector | Gilles Baret | 2002-01-08 |
| 5284585 | Apparatus for re-homogenizing a gas/liquid mixture | Jean-Pierre Chicherie | 1994-02-08 |
| 5244353 | Gas pumping installation having means for regulating its pumping speed | Luc Mathieu | 1993-09-14 |
| 5181414 | Pumping apparatus for pumping a gas by means of an oil-sealed vane pump and application to helium leak detectors | Gilles Baret, Jean-Pierre Chicherie | 1993-01-26 |
| 5048559 | Valve and apparatus using said valve | Luc Mathieu | 1991-09-17 |
| 5049042 | Anti-return safety apparatus | Luc Mathieu | 1991-09-17 |
| 4881405 | Method and device for mechanical testing of civil engineering structure surfacings | — | 1989-11-21 |
| 4613111 | Valve which is opened by reduced pressure | Rene Sibuet | 1986-09-23 |
| 4575322 | Oil-sealed vane pump | Rene Sibuet | 1986-03-11 |