Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10233101 | Equipment for injecting a gas into a cesspool | Guillaume Beaudouin, Robert Briend, Ulrich Butz, Philippe Campo, Frédéric Savreux +1 more | 2019-03-19 |
| 10105663 | Stirring propeller with blades made of sheet bent along two longitudinal bends | Frédéric Savreux | 2018-10-23 |
| 9731988 | Equipment for injecting a gas into a cesspool | Guillaume Beaudouin, Robert Briend, Ulrich Butz, Philippe Campo, Frédéric Savreux +1 more | 2017-08-15 |
| 6517729 | Oxidation process of the wet oxidation or ozonization type | Philippe Campo, Vincent Boisdon, Alain Trichet, Florent Bouquet | 2003-02-11 |