Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11480054 | Rapid construction method for secondary lining of small-section tunnel | Xiaosong Dai, Nanshan Yu, Kaiyang Liu, Yisheng Ye, Haijun Zhu +5 more | 2022-10-25 |
| 11428439 | Multi-functional multi-purpose tile and plate | Yunliang Qu, Zhixiang Ying, Fang Shen, Bin Qu, Xinrong Wang +3 more | 2022-08-30 |