Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11047236 | Filling mining method for fully-mechanized top coal caving working face | Shaojie Chen, Zhaowen Du, Zhiguo Xia, Zhen Zhang, Bing Chen +1 more | 2021-06-29 |
| 10787906 | Roadway forming method by expanding excavating and filling gangue paste in thick coal seam | Zhongping Guo, Weizhen Liu, Huiqiang Duan, Hengze Yang, Wenwu Xie | 2020-09-29 |