Issued Patents 2024
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12129760 | Multi-stage pressure yielding and anti-impact device for anchoring support | Fenghai Yu, Zhanling Li, Tongbin Zhao, Tucheng Li | 2024-10-29 |
| 12018534 | Drilling device for coal mining | Weiyao Guo, Yueying Zhang, Yongqiang ZHAO, Wenjing Guo, Chengguo Zhang +2 more | 2024-06-25 |
| 12019055 | Cyclic dynamic loading-confining pressure instantaneous unloading test device and its application method | Xuesheng Liu, Shenglong YANG, Deyuan Fan, Xuebin Li, Hu Song | 2024-06-25 |
| 11859493 | Device for monitoring horizontal extrusion force of roof rock strata and method using the same | Fenghai Yu, Kai Zhou, Xuepeng Gao, Wei Zhao | 2024-01-02 |
| 11860135 | Three-dimensional dynamic and static load test system for simulating deep roadway excavation and method thereof | Weiyao Guo, Yueying Zhang, Lexin Chen, Dongxiao Zhang, Tongbin Zhao | 2024-01-02 |