Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10697257 | Interlock system and method for a drilling rig | Doug Christian Greening | 2020-06-30 |
| 10472950 | Plug detection system and method | — | 2019-11-12 |
| 10370899 | Mud saver valve measurement system and method | Doug Christian Greening, Ryan Graham | 2019-08-06 |
| 10371562 | Strain gauge span block for a drilling rig | — | 2019-08-06 |
| 10107089 | Top drive movement measurements system and method | Douglas Greening, Marinel Mihai, Piew Soe Saw | 2018-10-23 |
| 9903167 | Interlock system and method for drilling rig | Douglas Greening | 2018-02-27 |
| 9765579 | Tubular stress measurement system and method | Douglas Greening, Marinel Mihai, Piew Soe Saw | 2017-09-19 |