Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12312934 | Wireless remote control method and system for controllable rotary sliding guiding drilling | Jianguo Zhao, Qingyou Liu, Haiyan ZHU, Guorong Wang, Jie Zeng +2 more | 2025-05-27 |
| 12297705 | Support mechanism of self-adaptive traction robot for complex wellbore and control method thereof | Qiaozhu Wang, Qingyou Liu, Haiyan ZHU, Xuelian Dong, Yuanyuan Yang +2 more | 2025-05-13 |
| 12264544 | Downhole traction system | Jianguo Zhao, Qingyou Liu, Haiyan ZHU, Min Wan, Guorong Wang +3 more | 2025-04-01 |
| 12110794 | Two-stage reverse-torque bent screw orientation tool | Qingyou Liu, Jianguo Zhao, Guorong Wang, Haiyan ZHU, Xuecheng Dong +3 more | 2024-10-08 |
| 11668148 | Downhole explosion robot based on planetary roller screw telescoping and traction method thereof | Xuelian Dong, Haiyan ZHU, Qiaozhu Wang, Jingran Tang, Qingyou Liu +1 more | 2023-06-06 |
| 11473401 | Method for controlling toe-end sliding sleeve of horizontal well based on efficient decoding communication | Hua Wang, Yukun Fu | 2022-10-18 |
| 11294050 | Automatic ground initialization of radar alignment servo | Anthony Schoepske | 2022-04-05 |
| 11067492 | Physical simulation and calibration device and method for formation pressure testing | Tianshou Ma, Nian Peng, Ping Chen, Qiang Wang, Jianhong Fu | 2021-07-20 |
| 10969676 | Photomask and exposure method | Chengyong HE, Yang Wang, Jun Yang, Xin Wang, Guanzheng LI +6 more | 2021-04-06 |
| 10233694 | Dynamic inwardly eccentrically-placed directional drill bit type rotation guidance apparatus | Wei Li, Hongxiang Lei, Qingyou Liu, Shihong Xiao, Xu Si +8 more | 2019-03-19 |
| 9666863 | Nano silicon-carbon composite material and preparation method thereof | Shigang Lu, Juanyu YANG, Haiyang Ding, Zhefeng GAO | 2017-05-30 |