Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12117423 | Rock stratum grouting water blocking test device and method under mining coupling condition | Weitao Liu, Haifeng Wu, Xiangxi Meng, Jiyuan Zhao, Yanhui Du +4 more | 2024-10-15 |
| 11906481 | Grouting and water-plugging device for fractured rock in mine coupling state, and test method | Weitao Liu, Haifeng Wu, Xiangxi Meng, Yanhui Du, Lifu Pang +1 more | 2024-02-20 |