Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12252986 | Steerable drilling device | Qingming Ma, Jieran Zhu, Ningning YANG, Yufeng Li, Nan-Chun Lin +3 more | 2025-03-18 |
| 10450837 | Sleeve fracturing assembly, device using the same and method for using the same | Zhenwei Gan, Qiusheng Huang, Shan Ren, Jihao Wu | 2019-10-22 |
| 9708889 | Sleeve fracturing assembly, device using the same and method for using the same | Zhenwei Gan, Qiusheng Huang, Shan Ren, Jihao Wu | 2017-07-18 |