Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9840396 | Fall prevention brake buffering system for high-speed mine lift | Zhencai Zhu, Guohua Cao, Jiancong Qin, Hongqiao Kang, Weihong Peng +6 more | 2017-12-12 |
| 9840399 | Mining elevator carrying platform and carrying method | Guohua Cao, Zhencai Zhu, Jiancong Qin, Hongqiao Kang, Gongbo Zhou +4 more | 2017-12-12 |
| 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 |