Inventor

GUO XULEI

CN2 patents

Patents

2 patents

US10059569B2Aug 28, 2018

Monitoring system of a passenger conveyor, a passenger conveyor, and a monitoring method thereof

OTIS ELEVATOR CO5 citations71

US9884749B1Feb 6, 2018

Sensor assembly, security system and passenger conveyor

OTIS ELEVATOR CO1 citations48