Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9695641 | Drilling systems and fixed cutter bits with adjustable depth-of-cut to control torque-on-bit | Aaron Schen, Curtis Lanning, Christopher Charles Propes | 2017-07-04 |
| 9540877 | Drilling motor valve and method of using same | Curtis Lanning, Dong P. Phung, Aaron Schen | 2017-01-10 |