Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10513419 | Slope-adaptive inclined special elevator | Guohua Cao, Zhencai Zhu, Lei Wei, Jiancong Qin, Xiaoguang Bo +2 more | 2019-12-24 |
| 10399822 | Hydraulic elevating platform having no guide rails and elevating method | Zhencai Zhu, Guohua Cao, Jiancong Qin, Panda Wang, Lingyun Ma +4 more | 2019-09-03 |
| 10351391 | Variable gradient inclined running container traction rope adjustment apparatus and method | Guohua Cao, Lei Wei, Zhencai Zhu, Xiaoguang Bo, Lei Wang +2 more | 2019-07-16 |