Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5167278 | Well testing apparatus | — | 1992-12-01 |
| 5117685 | Apparatus for testing an oil well, and corresponding method | — | 1992-06-02 |
| 4915178 | Method of inserting a tool into a well under pressure | — | 1990-04-10 |
| 4678035 | Methods and apparatus for subsurface testing of well bore fluids | — | 1987-07-07 |
| 4350205 | Work over methods and apparatus | Christian Robert | 1982-09-21 |
| 4256282 | Subsea valve apparatus having hydrate inhibiting injection | Jean Franc | 1981-03-17 |