Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5122271 | Filter for cylindrical and flat filter equipment for use in filtering fluids | Lajos Simon | 1992-06-16 |
| 4894077 | Method of accumulating and restituting cold and device for implementing such method | Jean Pfau | 1990-01-16 |
| 4840652 | Method of generating and using cold, and device for implementing such method | Jean Pfau | 1989-06-20 |
| 4254635 | Installation for the storage of continuously generated coldness and for the intermittent emission of at least a portion of the stored cold | Jean-Marc Frantz | 1981-03-10 |