Issued Patents 2021
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11131172 | Method for extracting gas by fracturing coal seam through combination of hydraulic slotting and multi-stage combustion impact wave | Yang Zhao, Wei Yang, Qingzhao Li | 2021-09-28 |
| 11081506 | Display component and display device | Kerui Xi, Junting Ouyang, Qiongqin MAO, Feng Qin, Jine Liu +2 more | 2021-08-03 |
| 11060384 | Method for precisely extracting coal-mine gas | Chuanjie Zhu, Zishan Gao, Ximiao Lu | 2021-07-13 |
| 10895120 | Mine drill, dust suction hood and dust removal device thereof | Wei Yang, Minghua Lin, Ru Jia, Changzheng Lu | 2021-01-19 |