Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12390884 | Textured surface of oil and gas equipment and machining method thereof | Lin Zhong, Qingyou Liu, Gang Wei, Xia He, Linyan Chen +6 more | 2025-08-19 |
| 12312934 | Wireless remote control method and system for controllable rotary sliding guiding drilling | Jianguo Zhao, Qingyou Liu, Haiyan ZHU, Jie Zeng, Xu Luo +2 more | 2025-05-27 |
| 12275083 | Integrated machine for automatic cutting, polishing, stacking and unloading of substrates | Yang Tang, Shang Xiang, Li Ma, Xiaoping Hu, Xuebin Hao +2 more | 2025-04-15 |
| 12264544 | Downhole traction system | Jianguo Zhao, Qingyou Liu, Haiyan ZHU, Min Wan, Xuecheng Dong +3 more | 2025-04-01 |
| 12110794 | Two-stage reverse-torque bent screw orientation tool | Qingyou Liu, Jianguo Zhao, Haiyan ZHU, Xuecheng Dong, Xingming Wang +3 more | 2024-10-08 |
| 12060973 | System and method for pumping lubricant in gas pipeline | Jianguo Zhao, Qingyou Liu, Shuo Han, Run Dong, Jiliang Dai | 2024-08-13 |
| 12060958 | Pure electric modular subsea test tree | Yang Tang, Yulin Zhang, Yufa He, Jianfei Wei, Jinhai Zhao +5 more | 2024-08-13 |
| 11946374 | Omni-directional horizontally orientaed deflecting tool for coiled tubing | Yang Tang, Miantao Guan, Yulin Zhang, Peng Zhao, Jinhai Zhao +7 more | 2024-04-02 |
| 11788664 | Intelligent maintenance and repair robot for small diameter and small flow oil and gas pipelines and method thereof | Yang Tang, Wudi Zhang, Shouhong Ji, Jinzhong Wang, Mingbo Wang +5 more | 2023-10-17 |
| 11781420 | Displacement measuring device and speed measuring method of drilling traction robot | Jianguo Zhao, Qingyou Liu, Haiyan ZHU | 2023-10-10 |
| 11773653 | Double-layer coiled tubing double-gradient drilling system | Lin Zhong, Qingyou Liu, Shouwei Zhou, Xingyong Yu, Zhong Li +5 more | 2023-10-03 |
| 11746640 | Solid fluidization tubular separator for marine natural gas hydrate | Yang Tang, Zeliang LI, Xushen Li, Jiang Lu, Xiaoyu Fang +10 more | 2023-09-05 |
| 11732551 | Fully electrically controlled intelligent subsurface safety valve | Yang Tang, Na Xie, Minghai Zhou, Jinhai Zhao, Guangjie Yuan +7 more | 2023-08-22 |
| 11598180 | Experimental device and experimental method for natural gas hydrate solid-state fluidized mining and crushing | Shouwei Zhou, Qingyou Liu, Qingping Li, Qiang Fu, Yufa He +2 more | 2023-03-07 |
| D978438 | Nail clipper | — | 2023-02-14 |
| 11542789 | Cavity creation tool by crushing with multi-stage controllable water jet for natural gas hydrate development | Yang Tang, Peng Zhao, Jinhai Zhao, Qingyou Liu, Jinzhong Wang +7 more | 2023-01-03 |
| 11506033 | Oil extraction and gas production method capable of in-situ sand control and removal by downhole hydraulic lift | Yang Tang, Haoyu Xiong, Jinzhong Wang, Jinhai Zhao, Guangjie Yuan +7 more | 2022-11-22 |
| 11466805 | Intelligent plugging robot and method for long-distance pipeline rerouting, maintaining and repairing construction | Yang Tang, Yuan Wang, Haoyu Xiong, Jinzhong Wang, Mingbo Wang +8 more | 2022-10-11 |
| 11434727 | In situ exploitation-separation-backfilling integration apparatus used for natural gas hydrates | Yang Tang, Zeliang LI, Qingyou Liu, Jinhai Zhao, Guangjie Yuan +5 more | 2022-09-06 |
| 11199050 | Combined crushing super-variable-diameter drill bit for natural gas hydrate exploitation | Yang Tang, Xin Jing, Qingyou Liu, Shouwei Zhou, Xushen Li +9 more | 2021-12-14 |
| 11193333 | Automatic jet breaking tool for solid fluidization exploitation of natural gas hydrate | Yang Tang, Shunxiao Huang, Qingyou Liu, Shouwei Zhou, Xushen Li +10 more | 2021-12-07 |
| 11047183 | Coiled tubing drilling robot, robot system and process parameter control method thereof | Qingyou Liu, Haiyan ZHU, Jianguo Zhao | 2021-06-29 |
| D923886 | Pet nail clipper | — | 2021-06-29 |
| 10822927 | Device and method for solid-state fluidized mining of natural gas hydrates in shallow seabed | Yang Tang, Shouwei Zhou, Qingyou Liu, Lin Zhong, Wang Li +5 more | 2020-11-03 |
| 10690281 | Pipeline robot capable of steering actively | Qingyou Liu, Haiyan ZHU, Xu Luo | 2020-06-23 |