Issued Patents All Time
Showing 1–4 of 4 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 |
| 11835491 | Device and method for testing bearing capacity of grouped pillars in inclined goaf under coupled biaxial static and disturbance stresses | Guorui Feng, Jinwen Bai, Chao Song, Shuiyun Hou, Lirong Li +2 more | 2023-12-05 |
| 11203095 | Flexible sanding device for cylinder rock specimen | Zhixin Jin, Chunwang Zhang, Guorui Feng, Xuanmin Song, Shengyong Hu +2 more | 2021-12-21 |