Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5173022 | Process for pumping a gas/liquid mixture in an oil extraction well and device for implementing the process | — | 1992-12-22 |
| 4805697 | Method of pumping hydrocarbons from a mixture of said hydrocarbons with an aqueous phase and installation for the carrying out of the method | Christian Fouillout | 1989-02-21 |
| 4770243 | Device for regulating the rate of flow of water which is separated from its mixture with hydrocarbons and reinjected into the bottom of the well | Christian Fouillout | 1988-09-13 |