Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7051818 | Three in one combined power unit for nitrogen system, fluid system, and coiled tubing system | James B. Crawford | 2006-05-30 |
| 6702011 | Combined nitrogen treatment system and coiled tubing system in one tractor/trailer apparatus | James B. Crawford | 2004-03-09 |