Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10513419 | Slope-adaptive inclined special elevator | Guohua Cao, Zhencai Zhu, Lei Wei, Jiancong Qin, Weihong Peng +2 more | 2019-12-24 |
| 10351391 | Variable gradient inclined running container traction rope adjustment apparatus and method | Guohua Cao, Lei Wei, Zhencai Zhu, Weihong Peng, Lei Wang +2 more | 2019-07-16 |