Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5968231 | Cyclone exchanger with tranquilizing tank and method for purifying and decontaminating air | Michel Parmentier | 1999-10-19 |
| 5766314 | Process and device for treating working atmosphere using a cyclone exchanger | Michel Parmentier | 1998-06-16 |
| 4957520 | Apparatus for the removal of vapors and vapor products | Michel Parmentier | 1990-09-18 |
| 4422036 | Apparatus for continuously measuring cells or particles in suspension in a liquid medium | Manfred Moll, Jean-Jacques Delorme | 1983-12-20 |