Issued Patents 2024
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12168931 | Mining method without coal pillars with roof-cutting and roadway retaining | Wenfei Li, Zimin Ma, Guangyuan Yu | 2024-12-17 |
| 12168932 | Three-dimensional ventilation method and system for mining by 110 construction method in coal and gas outburst mines | Wenfei Li, Zimin Ma, Guangyuan Yu, Manchao He, Gonghua Chen +1 more | 2024-12-17 |
| 12037905 | Method of no-pillar mining with gob-entry retaining adapted for fully-mechanized top coal caving in thick coal seam | Manchao He, Guangyuan Yu, Han Sun | 2024-07-16 |
| 11994759 | Liquid crystal display apparatus | Chao-Wen Chen, Jinlong Li, Zhiqiang Tang, Xiaolong Hu, Delin Cui +3 more | 2024-05-28 |