Issued Patents 2023
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |