Inventor

HUANG JIANGXING

CN2 patents

Patents

2 patents

US10118801B2Nov 6, 2018

Direct drive system for passenger conveyer device and passenger conveyer device

OTIS ELEVATOR CO1 citations42

US12479702B2Nov 25, 2025

Automatic conveyor and automatic cleaning device for the handrail belt thereof

OTIS ELEVATOR CO0 citations33