Issued Patents 2016
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9493985 | Mud hydraulic top drive | Dean Allen Bennett | 2016-11-15 |
| 9371708 | Circulation sub and method for using same | Andrew Shelton | 2016-06-21 |
| 9260932 | Blowout preventer ram assembly and method of using same | Eric Trevor Ensley | 2016-02-16 |