Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10883359 | Removing a casing section in a wellbore | David A. Stokes, Walter E. Friedl, Douglas Pipchuk | 2021-01-05 |
| 8511392 | Downhole swivel sub | Paul Howlett | 2013-08-20 |
| 8191639 | Downhole swivel sub | Paul Howlett | 2012-06-05 |
| 7025136 | Torque reduction tool | Rory McCrae Tulloch, Binnert Ruerd Haites, Mike Wardley | 2006-04-11 |
| 4652532 | Free radical based biochemical method for detecting substances in fluids | Billy L. Lasley | 1987-03-24 |