Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11143025 | Mine exploitation based on stoping, separation and filling control | Jixiong Zhang, Qiang Zhang, Zhongyu WU, Jiaqi Wang, Yang Chen | 2021-10-12 |
| 11137119 | Tubular device for fitting to a tubular light fitting | Haimin Tao, Tian Xiang Wen, Frits Tobi De Jongh, Han Lu, PIETER JOHANNES STOBBELAAR | 2021-10-05 |
| 11085296 | Method for controlling subsidence area caused by underground mining in adjoining open-pit mine | Shuai Guo, Zhipeng Fu, Peng Huang, Pingshan Li, Yunfei Liu | 2021-08-10 |