Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4659468 | Filtering column for filtering heavy fuels under pressure at high temperature | Guy Aillet | 1987-04-21 |
| 4462916 | Multi-element filter with rotary backwash arm | Guy Aillet | 1984-07-31 |