Inventor
HARDESTY MARTIN J
US10 patents
⚠️ This page may combine multiple inventors who share the name “HARDESTY MARTIN J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OTIS ELEVATOR CO
9 patentsUS9884744B2Feb 6, 2018
Ropeless high-rise elevator installation approach
OTIS ELEVATOR CO9 citations82
US11377323B2Jul 5, 2022
Retrofitting an elevator machine with primary and secondary braking
OTIS ELEVATOR CO0 citations59
US11299374B2Apr 12, 2022
Method and kit for retrofitting elevator machines with thrust bearing, and retrofitted elevator machine
OTIS ELEVATOR CO0 citations59
US10618775B2Apr 14, 2020
Retrofitting an elevator machine with primary and secondary braking
OTIS ELEVATOR CO1 citations59
US9776832B2Oct 3, 2017
Self-propelled cargo lift for elevator systems
OTIS ELEVATOR CO0 citations51
US9365395B2Jun 14, 2016
Elevator load bearing member
OTIS ELEVATOR CO1 citations51
US11970368B2Apr 30, 2024
Elevator system belt
OTIS ELEVATOR CO0 citations50
US11673769B2Jun 13, 2023
Elevator monitoring using vibration sensors near the elevator machine
OTIS ELEVATOR CO0 citations50
US10737908B2Aug 11, 2020
Method and kit for retrofitting elevator machines with thrust bearing, and retrofitted elevator machine
OTIS ELEVATOR CO0 citations49