Inventor
CHEN YANYING
CN10 patents
⚠️ This page may combine multiple inventors who share the name “CHEN YANYING”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OTIS ELEVATOR CO
3 patentsUS10364130B2Jul 30, 2019
Speed detection system of passenger conveyor and speed detection method thereof
OTIS ELEVATOR CO3 citations72
US10183843B2Jan 22, 2019
Monitoring of step rollers and maintenance mechanics of passenger conveyors
OTIS ELEVATOR CO2 citations71
US9850099B2Dec 26, 2017
Skirt for passenger conveyer
OTIS ELEVATOR CO3 citations66