Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11199091 | Cageway connecting device and connecting method thereof | Qiang Qin, Hongxin Yan, Changhua Hu, Jianguo Ding | 2021-12-14 |
| 10988347 | Large-tonnage coal dropping buffer skip for mine | Yuxing Peng, Zhencai Zhu, Gongbo Zhou, Changhua Hu, Hao Lu +3 more | 2021-04-27 |
| 9914618 | Method and device for monitoring tension equalization and displacement adjustment states of steel wire ropes of multi-rope hoister | Zhencai Zhu, Guohua Cao, Gongbo Zhou, Changhua Hu, Wei Li +3 more | 2018-03-13 |
| 9878882 | Large-tonnage slender externally powered curve rail-mounted unloading skip | Zhencai Zhu, Gongbo Zhou, Changhua Hu, Guohua Cao, Wei Li +3 more | 2018-01-30 |
| 9695017 | Adjustable intermediate disk body of large double-layer cage and adjusting and moving method thereof | Zhencai Zhu, Gongbo Zhou, Changhua Hu, Guohua Cao, Wei Li +3 more | 2017-07-04 |