Inventor
DUBE RANDALL S
US19 patents
⚠️ This page may combine multiple inventors who share the name “DUBE RANDALL S”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OTIS ELEVATOR CO
16 patentsUS10112802B2Oct 30, 2018
Elevator service person collision protection system
OTIS ELEVATOR CO10 citations83
US10822200B2Nov 3, 2020
Elevator safety actuator systems
OTIS ELEVATOR CO3 citations72
US10329120B2Jun 25, 2019
Elevator overspeed governor
OTIS ELEVATOR CO2 citations72
US10214385B2Feb 26, 2019
Elevator brake wedge
OTIS ELEVATOR CO5 citations72
US11155440B2Oct 26, 2021
Elevator overspeed governor with automatic reset
OTIS ELEVATOR CO2 citations69
US10472209B2Nov 12, 2019
Elevator overspeed governor with automatic reset
OTIS ELEVATOR CO2 citations69
US10407275B2Sep 10, 2019
Detection and control system for elevator operations
OTIS ELEVATOR CO4 citations69
US11040852B2Jun 22, 2021
Elevator car control to address abnormal passenger behavior
OTIS ELEVATOR CO0 citations62
US10968077B2Apr 6, 2021
Enhanced governor system for elevator
OTIS ELEVATOR CO0 citations62
US11130655B2Sep 28, 2021
Elevator car dynamic sag damping system
OTIS ELEVATOR CO0 citations61
US10745245B2Aug 18, 2020
Governor assembly and elevator
OTIS ELEVATOR CO1 citations60
US11542122B2Jan 3, 2023
Elevator overspeed governor with automatic reset
OTIS ELEVATOR CO0 citations59
US11046552B2Jun 29, 2021
Method and system of reducing false actuation of safety brakes in elevator system
OTIS ELEVATOR CO0 citations59
US9981826B2May 29, 2018
Braking device for braking a hoisted object relative to a guide member
OTIS ELEVATOR CO1 citations51
US11034546B2Jun 15, 2021
Elevator governor
OTIS ELEVATOR CO0 citations50
US10759631B2Sep 1, 2020
Remote triggering device, overspeed governor assembly and elevator
OTIS ELEVATOR CO0 citations40