Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5798044 | Method for sewage treatment | Andreas Strohmeier, Ingulf Schroeter | 1998-08-25 |
| 5348653 | Process for the biological purification of effluent | — | 1994-09-20 |
| 4869815 | Fluidized bed reactor with means for ensuring homogeneous distribution of the fluid to be treated | Jacques Bernard | 1989-09-26 |
| 4659476 | Method for the treatment of liquids on granular materials | Jean Burriat, Bernard Causse | 1987-04-21 |
| 4569759 | Tangential filtration apparatus and plant comprising such apparatus | Roger Ben Aim, Daniel Bourdiol, Francois Fiessinger | 1986-02-11 |
| 4561974 | Apparatus for the anaerobic filtration of waste water | Jacques Bernard, Roger Nicol, Claude Prevot | 1985-12-31 |
| 4482458 | Process and apparatus for the anaerobic treatment of waste water in a filter including granular material | Claude Prevot, Roger Nicol | 1984-11-13 |
| 4269715 | Process and apparatus for treating by ion exchange or adsorption fluids having solid particles suspended therein | Christian Barraque, Jean Burriat | 1981-05-26 |