Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5348094 | Device and method for pumping a viscous liquid comprising injecting a thinning product, application to horizontal wells | Jacques Lessi | 1994-09-20 |
| 5320500 | Continuous mixing device, method and use in an installation for pumping a high viscosity fluid | — | 1994-06-14 |
| 5280825 | Device and installation for the cleaning of drains, particularly in a petroleum production well | — | 1994-01-25 |