Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5589064 | Apparatus for liquid solid separation of liquid effluents or wastewater | — | 1996-12-31 |
| 4954259 | Process for the treatment and purification of water by the flocculation of suspended particles in a fluidized bed | Alain Grasmick | 1990-09-04 |
| 4743376 | Water purification by a fluidized bed | Alain Grasmick | 1988-05-10 |
| 4719020 | Process for concentrating a suspension of microscopic particles | — | 1988-01-12 |
| 4515697 | Method for flocculating microscopic particles in suspension in a liquid and application to the collection of phytoplankton microalgae and zooplankton and for the purification of used water | Alain Grasmick | 1985-05-07 |