Issued Patents 2022
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11371314 | Cement mixer and multiple purpose pumper (CMMP) for land rig | Shunfeng Zheng, Bartley Patton, Eric Erickson | 2022-06-28 |
| 11322942 | Electrical power generation and distribution system with power recovery and regeneration | Kurt Held, Jean-Christophe Priser, Nick Paul Krippner | 2022-05-03 |
| 11261724 | Drill bit distance to hole bottom measurement | Shunfeng Zheng, Benjamin Peter Jeffryes, Gokturk Tunc | 2022-03-01 |