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, Hongqiao Kang, Guoan Chen, Weihong Peng +6 more | 2017-12-12 |
| 9840399 | Mining elevator carrying platform and carrying method | Guohua Cao, Zhencai Zhu, Hongqiao Kang, Gongbo Zhou, Wei Li +4 more | 2017-12-12 |
| 9688513 | Specific elevator anti-fall buffer based on flexible guidance | Zhencai Zhu, Guohua Cao, Guangfeng Mao, Wei Li, Gongbo Zhou +4 more | 2017-06-27 |