Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10012080 | Skip-mining type wangeviry stope branch roadway filling and coal mining method | Xiaomin Yu, Yinzhong Zhang, Jiaxue Wang, Junjie Wang, Maoping Zhao +4 more | 2018-07-03 |
| 9964475 | Device and method using infrared radiation to observe coal rock fracture development process | Hai Sun, Yayong Jiang, Jimeng Liang, Bin Yu, Tiejun Kuang | 2018-05-08 |