Inventor

LOGAN DOUGLAS E

US7 patents

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

OTIS ELEVATOR CO

6 patents

US6419208B1Jul 16, 2002

Elevator sheave for use with flat ropes

OTIS ELEVATOR CO47 citations92

US6742769B2Jun 1, 2004

Elevator sheave for use with flat ropes

OTIS ELEVATOR CO23 citations91

US7117981B2Oct 10, 2006

Load bearing member for use in an elevator system having external markings for indicating a condition of the assembly

OTIS ELEVATOR CO42 citations90

US11718505B2Aug 8, 2023

Elevator system suspension member termination

OTIS ELEVATOR CO0 citations61

US10850944B2Dec 1, 2020

Elevator system suspension member termination

OTIS ELEVATOR CO0 citations51

US8734203B2May 27, 2014

Elevator load bearing member having a jacket with at least one rough exterior surface

OTIS ELEVATOR CO0 citations50

THOMPSON MARK S

1 patent

US8449349B2May 28, 2013

Elevator load bearing member having a jacket with at least one rough exterior surface

THOMPSON MARK S8 citations80