Issued Patents 2022
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11434558 | NPR non-magnetic steel material for rock bolt and production method thereof | Min Xia, Hongyan Guo, Jiuping Wang | 2022-09-06 |
| 11427899 | NPR steel material for rock bolt and production method thereof | Min Xia, Hongyan Guo, Jiuping Wang | 2022-08-30 |
| 11390489 | Mine vertical shaftlifting apparatus, mine vertical shaft lifting system and control method therefor | Guohua Cao, Xiaoming Sun, Jun Yang | 2022-07-19 |
| 11333590 | Experimental system for simulating creep and stick-slip dislocations of fault in tunnel structure | Guangming Luo, Shengwen Qi, Bowen Zheng, Yu Zou, Hui Zhou +3 more | 2022-05-17 |