Issued Patents 2023
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11834928 | Drill string rotation controller for directional drilling | Haolin Song, Yinglin Yang, Yanniu Ren, Lin Yang, Zhe Zhang +4 more | 2023-12-05 |
| 11828149 | Fracking tool with electromagnetic intelligent control sliding sleeve | Yu Wei, Lanhui Mao, Yanniu Ren, Chunyu Xing, Junyang Song +2 more | 2023-11-28 |
| 11788407 | Downhole signal receiving and transmitting device | Changqing Xiong, Lei Tang, Haolin Song, Lanhui Mao, Lin Yang | 2023-10-17 |
| 11608731 | Mechanical automatic vertical drilling tool | Tongxu Ge, Zhichao Hu, Lin Yang, Chunyu Xing, Lei Tang | 2023-03-21 |
| 11542751 | Multi-function drilling tool | Lei Tang, Zhichao Hu, Tongxu Ge, Lin Yang, Chunyu Xing | 2023-01-03 |
| 11542753 | Mechanical rotary steering drilling tool | Zhichao Hu, Tongxu Ge, Lin Yang, Chunyu Xing, Lei Tang | 2023-01-03 |