Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7930806 | Tie knot member | — | 2011-04-26 |
| 6321848 | Method of and apparatus for inserting tubing into a live well bore | — | 2001-11-27 |
| 6276451 | Pressure relief system for live well snubbing | — | 2001-08-21 |
| 5988274 | Method of and apparatus for inserting pipes and tools into wells | — | 1999-11-23 |
| 5568837 | Method of inserting tubing into live wells | — | 1996-10-29 |