Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6505531 | Oil tool connection breaker and method | — | 2003-01-14 |
| 6212976 | Duplex drill pipe wrench apparatus and method for top drilling rig drilling operations | — | 2001-04-10 |
| 5507219 | Fail-safe linkage for a reciprocating pump | — | 1996-04-16 |
| 5468121 | Apparatus and method for positioning drill pipe in a mousehole | — | 1995-11-21 |
| 5396952 | Drilling rig kelly spinner | — | 1995-03-14 |
| 5351767 | Drill pipe handling | Craig A. Watson | 1994-10-04 |
| 5255751 | Oilfield make-up and breakout tool for top drive drilling systems | — | 1993-10-26 |