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Inventor

COFFIN CHARLES C

US7 patents
⚠️ This page may combine multiple inventors who share the name “COFFIN CHARLES C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

OTIS ELEVATOR CO

4 patents
US6367581B1Apr 9, 2002

Sound absorbing light fixture

OTIS ELEVATOR CO48 citations89
US11014780B2May 25, 2021

Elevator sensor calibration

OTIS ELEVATOR CO2 citations71
US11643301B2May 9, 2023

System and method for monitoring sheave bearing condition

OTIS ELEVATOR CO0 citations61
US10988348B1Apr 27, 2021

Escalator steps with strain sensors

OTIS ELEVATOR CO1 citations60

UNITED TECHNOLOGIES CORP

2 patents
US7569099B2Aug 4, 2009

Fuel deoxygenation system with non-metallic fuel plate assembly

UNITED TECHNOLOGIES CORP46 citations89
US7435283B2Oct 14, 2008

Modular fuel stabilization system

UNITED TECHNOLOGIES CORP11 citations80

POLAK DAVID R

1 patent
US10336581B2Jul 2, 2019

System and method for reducing belt noise

POLAK DAVID R1 citations53