Issued Patents 2024
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12098637 | I-patterned filling method for initial stage of coal mining based on roof fracture feature characteritics | Guorui Feng, Wei-Qiang Guo, Zhu Li, Jiaqing Cui, Yekai Cui +1 more | 2024-09-24 |
| 11959383 | Method and device for carrying out grouting between adjacent gateroads in internal-staggered split-level coal mining | Guorui Feng, Yijiang Fan, Pengfei Wang, Chenliang Hao, Xiaoze WEN +5 more | 2024-04-16 |