Inventor
ROBERTS RANDALL KEITH
US16 patents
⚠️ This page may combine multiple inventors who share the name “ROBERTS RANDALL KEITH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OTIS ELEVATOR CO
8 patentsUS8360209B2Jan 29, 2013
Dynamic compensation during elevator car re-leveling
OTIS ELEVATOR CO7 citations83
US10252879B2Apr 9, 2019
Brake operation management in elevators
OTIS ELEVATOR CO6 citations82
US10118802B2Nov 6, 2018
Structural health monitoring of an escalator drive system
OTIS ELEVATOR CO8 citations80
US10399821B2Sep 3, 2019
Vibration-based elevator tension member wear and life monitoring system
OTIS ELEVATOR CO3 citations72
US9546073B2Jan 17, 2017
Rope sway mitigation through control of access to elevators
OTIS ELEVATOR CO4 citations72
US10865071B2Dec 15, 2020
Configurable multicar elevator system
OTIS ELEVATOR CO1 citations61
US10399820B2Sep 3, 2019
Elevator tension member stiffness estimation and monitoring
OTIS ELEVATOR CO1 citations59
US10538412B2Jan 21, 2020
Brake operation management in elevators
OTIS ELEVATOR CO0 citations50
ROBERTS RANDALL KEITH
4 patentsUS8297412B2Oct 30, 2012
Elevator dispatching control for sway mitigation
ROBERTS RANDALL KEITH18 citations89
US9038783B2May 26, 2015
Rope sway mitigation via rope tension adjustment
ROBERTS RANDALL KEITH11 citations83
US8746411B2Jun 10, 2014
Elevator car positioning including gain adjustment based upon whether a vibration damper is activated
ROBERTS RANDALL KEITH9 citations82
US9914619B2Mar 13, 2018
Elevator rope sway mitigation
ROBERTS RANDALL KEITH6 citations71