P

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 patents
US7971687B2Jul 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

FLIR SYSTEMS

1 patent