Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12258865 | Coal and gas outburst monitoring device | Xu Chen, Hongtu ZHANG, Zhongyi Liu, Peiliang Ren, Mingguo Hua +11 more | 2025-03-25 |
| 12234732 | Monitoring and warning device for rock burst in coal mine | Hongtu ZHANG, Mian Wang, Zhibo Zhang, Chao Guo, Xiangyang Wang +12 more | 2025-02-25 |