Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8298418 | Method and installation for bringing ozone into contact with a flow of liquid, in particular a flow of drinking water or wastewater | Pierre Liechti, Urbain Genier | 2012-10-30 |
| 6171487 | Dual-flow filter for biological effluent purification | Nicolas Rousseau, Jean-Louis Vital | 2001-01-09 |
| 6093321 | Process for removing nitrogenous compounds and remineralizing water | Véronique Bonnelye, Loic Daniel | 2000-07-25 |