Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10770828 | Charging gun with magnetic element controlling magnetic switch | — | 2020-09-08 |
| 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 |