Issued Patents All Time
Showing 1–6 of 6 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, Guoan Chen +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 |
| 9394142 | Mining elevator lapping platform suitable for flexible guide rail and mining elevator lapping method | Zhencai Zhu, Guohua Cao, Jiancong Qin, Hongqiao Kang, Wei Li +4 more | 2016-07-19 |
| 9272881 | Mining elevator | Zhencai Zhu, Guohua Cao, Jiancong Qin, Hongqiao Kang, Guoan Chen +4 more | 2016-03-01 |
| 9242836 | Apparatus and method for automatically adjusting the tension of a flexible guide rail | Guohua Cao, Zhencai Zhu, Jiancong Qin, Hongqiao Kang, Weihong Peng +5 more | 2016-01-26 |
| 9156655 | Mining elevator traction cable connecting apparatus and measuring method therefor | Guohua Cao, Zhencai Zhu, Jiancong Qin, Hongqiao Kang, Guoan Chen +4 more | 2015-10-13 |