Issued Patents 2024
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12129760 | Multi-stage pressure yielding and anti-impact device for anchoring support | Fenghai Yu, Zhanling Li, Yunliang Tan, Tucheng Li | 2024-10-29 |
| 12099038 | Test system and method for anchoring performance of full-size rock mass anchor bolt under combined load | Minglu Xing, Chunlin Li, Yanchun Yin, Bin LIU, Fenghai Yu +6 more | 2024-09-24 |
| 12018534 | Drilling device for coal mining | Weiyao Guo, Yueying Zhang, Yongqiang ZHAO, Wenjing Guo, Chengguo Zhang +2 more | 2024-06-25 |
| 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, Yunliang Tan | 2024-01-02 |