Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |
| 6174001 | Two-step, low torque wedge thread for tubular connector | — | 2001-01-16 |
| 6123368 | Two-step, differential diameter wedge threaded connector | — | 2000-09-26 |
| 6050610 | Stress reduction groove for tubular connection | John Greenip | 2000-04-18 |