Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12416224 | Active energy-absorbing shock absorber for perforation combined well testing | Liangliang Ding, Kai Wang, Hongtao Liu, Yongzhi Xue, Ruifeng Guo +2 more | 2025-09-16 |
| 12326084 | Intelligent directional device for full rotation of drill string | Yufeng Xie, Hengjing Zhang, Hongsheng Deng, Lin Yang, Qiaolin Li +2 more | 2025-06-10 |