Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11966672 | Method and system for simulating contact and interaction between support member and chamber surrounding rock mass | Qian Yin, Jiangyu Wu, Hongwen Jing, Zheng Jiang, Tianci Deng +2 more | 2024-04-23 |
| 11780773 | Grouting material for modifying mudstone, preparation method and application thereof | Jiangyu Wu, Dan Ma, Qian Yin, Haixiang Zhang, Zhengfu Bian +4 more | 2023-10-10 |
| 10844717 | Mechanical constant-resistance single prop continuous prop lifting pre-tightening device and method | Yanlong Chen, Feng Ju, Kai Zhang, Yu Wu, Ming LI +4 more | 2020-11-24 |