Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4584100 | Filter press comprising means for filtering mud | Pierre Choquenet | 1986-04-22 |
| 4427546 | Filtration devices | Pierre Choquenet | 1984-01-24 |
| 4182680 | Device for filtration under pressure of solid particles contained in liquids | — | 1980-01-08 |