Inventor
QIU MINGLUN
US6 patents
⚠️ This page may combine multiple inventors who share the name “QIU MINGLUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OTIS ELEVATOR CO
4 patentsUS5564529AOct 15, 1996
Elevator car frame and platform assembly
OTIS ELEVATOR CO28 citations90
US5492201AFeb 20, 1996
Method and apparatus for installing and balancing an elevator car
OTIS ELEVATOR CO6 citations71
US5325937AJul 5, 1994
Elevator platform isolation
OTIS ELEVATOR CO18 citations69
US10532910B2Jan 14, 2020
Underslung elevator car configuration
OTIS ELEVATOR CO0 citations42