Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11886535 | Oscillating shear valve of continuous pulse generator | Nan Yang, Xue Yin, Zhenyu Yang, Yupeng Zheng | 2024-01-30 |
| 9587440 | Dynamic point-the-bit rotary steerable drilling tool and measuring method thereof | Weiliang Wang, Yanfeng Geng | 2017-03-07 |