Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4584064 | Device and installations for the distillation by thin layer evaporation particularly of hydrocarbons, and process for operating this device | Gilles Variot | 1986-04-22 |
| 4238451 | Process and device to measure the asphaltene content of petroleum products | Andre Lambelin | 1980-12-09 |