Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11499556 | Dry vacuum pump with a pressure variation reducing expansion device between a pumping side volume and an oil sump | Laurent Saxod | 2022-11-15 |
| 7670119 | Multistage vacuum pump and a pumping installation including such a pump | Pascal Durand, Jean-Francois Vuillermoz, Jean-François Grosdaillon | 2010-03-02 |
| 6419455 | System for regulating pressure in a vacuum chamber, vacuum pumping unit equipped with same | Claude Rousseau, Philippe Maquin | 2002-07-16 |