Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11773653 | Double-layer coiled tubing double-gradient drilling system | Guorong Wang, Lin Zhong, Qingyou Liu, Shouwei Zhou, Xingyong Yu +5 more | 2023-10-03 |
| 11447165 | Train window structure and train with train window structure | Sansan Ding, Yali Jia, Kainan Mao, Peng Gao, Shanshan Wang +3 more | 2022-09-20 |
| 11199050 | Combined crushing super-variable-diameter drill bit for natural gas hydrate exploitation | Guorong Wang, Yang Tang, Xin Jing, Qingyou Liu, Shouwei Zhou +9 more | 2021-12-14 |
| 11193333 | Automatic jet breaking tool for solid fluidization exploitation of natural gas hydrate | Yang Tang, Shunxiao Huang, Guorong Wang, Qingyou Liu, Shouwei Zhou +10 more | 2021-12-07 |
| 10836947 | Water-based drilling fluids for deepwater drilling and use thereof | Mingbiao Xu, Fuchang You, Yanjun Li, Hexing Liu, Shanshan Zhou | 2020-11-17 |
| 10442973 | Super-amphiphobic strongly self-cleaning high-performance water-based drilling fluid and drilling method | Guancheng Jiang, Xiaoxiao Ni, Lili Yang, Yinbo He, Xiaohu Quan +9 more | 2019-10-15 |
| 10266744 | Accelerator used for drilling fluids, water-based drilling fluid and usage thereof | Guancheng Jiang, Deli Gao, Shuo Zhang, Yong Wang, Xianzhu Wu +9 more | 2019-04-23 |
| 10253237 | Film former used for coal-bed gas well drilling and preparation method thereof, drilling fluid and usage thereof | Guancheng Jiang, Deli Gao, Shuo Zhang, Yong Wang, Xianzhu Wu +9 more | 2019-04-09 |
| D664019 | Screwdriver | — | 2012-07-24 |
| D653516 | Screwdriver | — | 2012-02-07 |
| D642901 | Bolt | — | 2011-08-09 |