BC

Bingyin Cheng

OE Otis Elevator: 1 patents #966 of 1,840Top 55%
Overall (All Time): #2,916,382 of 4,157,543Top 75%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10118801 Direct drive system for passenger conveyer device and passenger conveyer device Jiangxing Huang, Fengshu Yue, Shimao Chen, Jie Hu, Jianguo Li +5 more 2018-11-06