Inventor
ROBERTS RANDY
US27 patents
⚠️ This page may combine multiple inventors who share the name “ROBERTS RANDY”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OTIS ELEVATOR CO
26 patentsUS7971687B2Jul 5, 2011
Elevator belt assembly with noise reducing groove arrangement
OTIS ELEVATOR CO11 citations77
US11524872B2Dec 13, 2022
Elevator compensation assembly monitor
OTIS ELEVATOR CO2 citations71
US10669124B2Jun 2, 2020
Elevator system including a protective hoistway liner assembly
OTIS ELEVATOR CO2 citations71
US11292693B2Apr 5, 2022
Elevator system control based on building sway
OTIS ELEVATOR CO2 citations70
US11912534B1Feb 27, 2024
Elevator pit safety net system
OTIS ELEVATOR CO2 citations68
US10494228B2Dec 3, 2019
Guiding devices for elevator systems having roller guides and motion sensors
OTIS ELEVATOR CO3 citations68
US12528667B2Jan 20, 2026
Autonomous elevator car mover configured for self-learning lateral clearance control
OTIS ELEVATOR CO0 citations62
US12172867B2Dec 24, 2024
Building drift determination based on elevator roping position
OTIS ELEVATOR CO0 citations62
US12145820B2Nov 19, 2024
Elevator system including a passenger ear comfort application
OTIS ELEVATOR CO0 citations62
US11970369B2Apr 30, 2024
Beam climber battery charging in transfer station
OTIS ELEVATOR CO1 citations62
US10997873B2May 4, 2021
Ride quality elevator simulator
OTIS ELEVATOR CO0 citations62
US11673773B2Jun 13, 2023
Ropeless elevator propulsion system
OTIS ELEVATOR CO0 citations61
US11945690B2Apr 2, 2024
Elevator compensation assembly monitor
OTIS ELEVATOR CO0 citations60
US11235948B2Feb 1, 2022
Dynamic compensation control for elevator systems
OTIS ELEVATOR CO1 citations60
US11198589B2Dec 14, 2021
Elevator system including a protective hoistway liner assembly
OTIS ELEVATOR CO0 citations60
US11964848B1Apr 23, 2024
Elevator pit monitoring and integrity check of monitoring system
OTIS ELEVATOR CO0 citations59
US11905142B2Feb 20, 2024
Elevator system control based on building sway
OTIS ELEVATOR CO0 citations59
US11851305B1Dec 26, 2023
Elevator pit safety net system
OTIS ELEVATOR CO1 citations58
US12454441B2Oct 28, 2025
Elevator car mover configured with auxiliary vehicle support for force release control
OTIS ELEVATOR CO0 citations51
US12466697B2Nov 11, 2025
Ropeless elevator robotic transporters for vehicle parking
OTIS ELEVATOR CO0 citations50
US11932515B2Mar 19, 2024
Elevator tension member monitor
OTIS ELEVATOR CO0 citations50
US11548758B2Jan 10, 2023
Health monitoring systems and methods for elevator systems
OTIS ELEVATOR CO0 citations50
US11524873B2Dec 13, 2022
Ropeless elevator wheel force releasing system
OTIS ELEVATOR CO0 citations50
US12434943B2Oct 7, 2025
Beam climber active brake health monitoring system
OTIS ELEVATOR CO0 citations49
US11542123B2Jan 3, 2023
Elevator system including a motorized module
OTIS ELEVATOR CO0 citations49
US11999591B1Jun 4, 2024
Elevator system including sensor assembly for person detection
OTIS ELEVATOR CO0 citations44