Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 10704338 | Abutments for threaded connections | — | 2020-07-07 | |
| 7475917 | Threaded connection with variable flank angles | Robert S. Sivley, IV, Gary W. Ward | 2009-01-13 | |
| 6270127 | Two-step, low torque wedge thread for tubular connector | — | 2001-08-07 | $4,569,000 |
| 6174001 | Two-step, low torque wedge thread for tubular connector | — | 2001-01-16 | $1,236,000 |
| 6123368 | Two-step, differential diameter wedge threaded connector | — | 2000-09-26 | |
| 6050610 | Stress reduction groove for tubular connection | John Greenip | 2000-04-18 |