Inventor
NGUYEN DANG V
US9 patents
⚠️ This page may combine multiple inventors who share the name “NGUYEN DANG V”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OTIS ELEVATOR CO
8 patentsUS5810120ASep 22, 1998
Roller guide assembly featuring a combination of a solenoid and an electromagnet for providing counterbalanced centering control
OTIS ELEVATOR CO21 citations87
US7562748B2Jul 21, 2009
Elevator call button with tactile feedback
OTIS ELEVATOR CO8 citations82
US10531256B2Jan 7, 2020
Elevator wireless communication and power transfer system
OTIS ELEVATOR CO2 citations71
US10407273B2Sep 10, 2019
Elevator braking control system
OTIS ELEVATOR CO1 citations62
US10689226B2Jun 23, 2020
Position determining system for multicar ropeless elevator system
OTIS ELEVATOR CO1 citations59
US10793394B2Oct 6, 2020
Wireless communication for self-propelled elevator system
OTIS ELEVATOR CO0 citations51
US10647543B2May 12, 2020
Multi-car elevator control
OTIS ELEVATOR CO0 citations51
US10135299B2Nov 20, 2018
Elevator wireless power transfer system
OTIS ELEVATOR CO0 citations40