Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10288065 | Mud motor coupling system | John P. Smid, Trent A. Geraci | 2019-05-14 |
| 6467545 | Monolithic isolation stress joint | Gouri Venkataraman, Vidish Subba Rao, Richard B. Lee | 2002-10-22 |
| 6315497 | Joint for applying current across a pipe-in-pipe system | Ronald Marshall Bass, Carl Gottlieb Langner | 2001-11-13 |
| 4477105 | Collet actuated ball and socket connector | David E. Adkins, Arthur H. T. Chin | 1984-10-16 |
| 4465104 | Pressure energized pipeline plug | David E. Adkins, Ronnie E. Haws | 1984-08-14 |
| 4422477 | Pressure energized pipeline plug | David E. Adkins, Ronnie E. Haws | 1983-12-27 |
| 4332277 | Pipeline pigging plug | David E. Adkins, Arthur H. T. Chin, Ronnie E. Haws | 1982-06-01 |