Issued Patents 2021
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11105708 | Bidirectional variable cross-section water-pressure bearer cycle test system for coal mine water inrush model test | Qiang Wu, Lei Niu, Shouqiang LIU, Yifan Zeng, Shengheng Xu | 2021-08-31 |
| 11092524 | Method and device for preparing karst caves based on 3D printing technology | Zhenhao Xu, Bin Gao, Xintong Wang, Wenyang Wang, Yuchao Du +3 more | 2021-08-17 |
| 11085244 | Anti-collapse jet grouting drill bit with bi-directional rib wings, grouting consolidation system and method | Qingsong Zhang, Guangming Pan, Rentai Liu, Xiao Lin Zhang, Lei Yang +5 more | 2021-08-10 |
| 10989702 | Laboratory tracer experiment system for medium characteristic inversion of karst conduit | Xintong Wang, Zhenhao Xu, Peng Lin, Dongdong Pan, Xin Huang +2 more | 2021-04-27 |