Issued Patents 2016
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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, 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, Hongqiao Kang +5 more | 2016-01-26 |