Inventor
TORLAI DAVID R
US13 patents
⚠️ This page may combine multiple inventors who share the name “TORLAI DAVID R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OTIS ELEVATOR CO
9 patentsUS10766746B2Sep 8, 2020
Friction liner and traction sheave
OTIS ELEVATOR CO6 citations82
US11261062B2Mar 1, 2022
Modular sheave unit
OTIS ELEVATOR CO3 citations72
US10822202B2Nov 3, 2020
Unitized segmented sheave assembly
OTIS ELEVATOR CO3 citations72
US12358203B2Jul 15, 2025
Elevator load bearing suspension member including a corrosion inhibitor in the jacket
OTIS ELEVATOR CO0 citations61
US11254544B2Feb 22, 2022
Friction liner and traction sheave
OTIS ELEVATOR CO0 citations61
US11111108B2Sep 7, 2021
Coated sheave
OTIS ELEVATOR CO1 citations60
US10647547B2May 12, 2020
Methods and apparatuses for applying a substrate onto an elevator sheave
OTIS ELEVATOR CO1 citations58
US12103822B2Oct 1, 2024
Elevator system safety brake
OTIS ELEVATOR CO0 citations51
US10023432B2Jul 17, 2018
Guide rail for elevator
OTIS ELEVATOR CO0 citations50