Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10472963 | Method for stepwise construction of preferential gas migration pathway at stope in coal seam | Baiquan Lin, Tong Liu, Ting-Yu Liu, Wei Yang, He Li +2 more | 2019-11-12 |
| 10413911 | Method of sorting and utilizing coal and rock for coal and rock combined mining face | Boquan Lin, Tong Liu, Wei Yang, Ting Liu, He Li +1 more | 2019-09-17 |
| 10280686 | Method of performing combined drilling, flushing, and cutting operations on coal seam having high gas content and prone to bursts to relieve pressure and increase permeability | Boquan Lin, Tong Liu, Yabin Gao, He Li, Rui Wang +1 more | 2019-05-07 |