YC

Yan Chen

OE Otis Elevator: 2 patents #22 of 167Top 15%
RTX (Raytheon): 1 patents #408 of 1,507Top 30%
Overall (2017): #54,159 of 506,227Top 15%
3
Patents 2017

Issued Patents 2017

Patent #TitleCo-InventorsDate
9841352 System and method for monitoring gear and bearing health Zaffir A. Chaudhry 2017-12-12
9815667 Coated sheave Xiaomei Yu, David R. Polak, Daniel V. Viens, John P. Wesson 2017-11-14
9731939 Elevator cord health monitoring Fanping Sun, John P. Wesson, Xiaodong Luo, Huan Zhang, Zaffir A. Chaudhry +2 more 2017-08-15