Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5198108 | Assembly for removing water for washing filters | Marie-Pierre Gaudin | 1993-03-30 |
| 5196111 | Reactor for the biological treatment of sewage | Roger Nicol | 1993-03-23 |
| 5160705 | Apparatus for fluidizing granular material | Francois-Xavier Ball | 1992-11-03 |
| 5147547 | Oxidation and biological reduction reactor, biofiltration method and washing methods used in this reactor | Jean-Louis Vital | 1992-09-15 |
| 4925556 | Method for the manufacture of floors for filters, and floors thus made | Marie-Pierre Gaudin, Daniel Meindre | 1990-05-15 |
| 4633909 | Apparatus for the rapid in-line mixing of two fluids | Robert Louboutin, Patrick Vion | 1987-01-06 |
| 4623466 | Method and apparatus for the counter-current mass exchange between two phases having different densities | — | 1986-11-18 |