Issued Patents 2024
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12018534 | Drilling device for coal mining | Weiyao Guo, Yongqiang ZHAO, Wenjing Guo, Chengguo Zhang, Xiangyu Wang +2 more | 2024-06-25 |
| 11860135 | Three-dimensional dynamic and static load test system for simulating deep roadway excavation and method thereof | Weiyao Guo, Lexin Chen, Dongxiao Zhang, Yunliang Tan, Tongbin Zhao | 2024-01-02 |