Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4746431 | Device for the collection of water in a granular material bed filter | Jean-Philippe Gibaud, Jean Durot | 1988-05-24 |
| 4633909 | Apparatus for the rapid in-line mixing of two fluids | Vincent Savall, Patrick Vion | 1987-01-06 |
| 4604197 | Submerged filter filled with granular material | Jean-Philippe Gibaud | 1986-08-05 |
| 4579655 | Apparatus for treating water by flocculation and/or crystalline precipitation, settling and sludge recycling | Patrick Vion | 1986-04-01 |
| 4435286 | Liquid filter device | Michel Riotte | 1984-03-06 |
| 4338202 | Water treatment process and apparatus and device for the distribution of water to be treated into and for the recovery from washing liquid from a water treatment filter apparatus | — | 1982-07-06 |
| 4283282 | Filter having vertical filter elements | Gilbert Saint-Dizier, Jean Le Fur | 1981-08-11 |