Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12049792 | Double-channel fluid injection apparatus | Jiancheng Li, Haoyu Sun, Qiang Cao, Yong Chen, Dejing Yang +4 more | 2024-07-30 |
| 11946334 | Flow splitting device for gas reverse circulation drilling | Chuanwei Zhao, Zhonghua WU, Yanjun Zhou, Honglin Tang, Zhihe LIU +7 more | 2024-04-02 |