Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11162303 | Rotary steerable tool with proportional control valve | Carl Allison Perry, Serhiy Korostensky | 2021-11-02 |
| 10995611 | Downhole tool with multiple welded section | Carl Allison Perry, Christopher S Funke, Jr., Guy A. Daigle, Richard Rothstein | 2021-05-04 |