Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11525443 | Full-metal anti-high temperature cycloid downhole motor | Yu Wang, Lingrong Kong, Kai Zhang, Zhiqiao Wang | 2022-12-13 |
| 11459827 | Full-metal dynamic-sealed concentrically-centered downhole displacement motor | Yu Wang, Lingrong Kong, Baolin Liu, Kai Zhang | 2022-10-04 |