Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6171487 | Dual-flow filter for biological effluent purification | Nicolas Rousseau, Jacques Moles | 2001-01-09 |
| 5368730 | Filtering apparatus | Hubert Lemmel | 1994-11-29 |
| 5147547 | Oxidation and biological reduction reactor, biofiltration method and washing methods used in this reactor | Vincent Savall | 1992-09-15 |