Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9840399 | Mining elevator carrying platform and carrying method | Guohua Cao, Zhencai Zhu, Jiancong Qin, Gongbo Zhou, Wei Li +4 more | 2017-12-12 |
| 9840396 | Fall prevention brake buffering system for high-speed mine lift | Zhencai Zhu, Guohua Cao, Jiancong Qin, Guoan Chen, Weihong Peng +6 more | 2017-12-12 |
| 9428367 | Long-distance transport system for people in inclined lane | Zhencai Zhu, Guohua Cao, Hong-Jen Lai, Jiancong Qin, Wei Li +4 more | 2016-08-30 |
| 9394142 | Mining elevator lapping platform suitable for flexible guide rail and mining elevator lapping method | Zhencai Zhu, Guohua Cao, Jiancong Qin, Wei Li, Gongbo Zhou +4 more | 2016-07-19 |
| 9272881 | Mining elevator | Zhencai Zhu, Guohua Cao, Jiancong Qin, Guoan Chen, Renyuan Wu +4 more | 2016-03-01 |
| 9242836 | Apparatus and method for automatically adjusting the tension of a flexible guide rail | Guohua Cao, Zhencai Zhu, Renyuan Wu, Jiancong Qin, Weihong Peng +5 more | 2016-01-26 |
| 9156655 | Mining elevator traction cable connecting apparatus and measuring method therefor | Guohua Cao, Zhencai Zhu, Jiancong Qin, Guoan Chen, Chongqiu Wang +4 more | 2015-10-13 |