HX

HengFeng Xie

OE Otis Elevator: 2 patents #39 of 232Top 20%
Overall (2018): #145,031 of 503,207Top 30%
2
Patents 2018

Issued Patents 2018

Patent #TitleCo-InventorsDate
9919896 Detection method for elevator brake moment Shan Li, Xiaolin Wang 2018-03-20
9890016 Position recovery via dummy landing patterns Uwe Schoenauer, Donald F. Cominelli, Shan Li 2018-02-13