XW

Xin Wei

OE Otis Elevator: 1 patents #99 of 278Top 40%
Overall (2020): #220,863 of 565,922Top 40%
1
Patents 2020

Issued Patents 2020

Patent #TitleCo-InventorsDate
10865074 Handrail automatically tensioning system and a method for adjusting tension level of handrail QingXi Cai, Jianguo Li, Jie Hu, Lifei Cheng, ZuAn Tang +1 more 2020-12-15