Issued Patents 2024
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12139993 | Multifunctional rotating control device | Chunlei Wang, Qiang Zhao, Wei Zhang, Qijun Zeng | 2024-11-12 |
| 12123275 | Multifunctional rotating control device | Chunlei Wang, Qiang Zhao, Wei Zhang, Qijun Zeng | 2024-10-22 |
| 11946334 | Flow splitting device for gas reverse circulation drilling | Chuanwei Zhao, Zhonghua WU, Yanjun Zhou, Honglin Tang, Zhihe LIU +7 more | 2024-04-02 |