Membership
Tour
Register
Log in
William J. Derwin
Follow
Person
West Hartford, CT, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Assembly for roping an elevator
Patent number
9,604,823
Issue date
Mar 28, 2017
Otis Elevator Company
Valery Sheynkman
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
Lifting device clamp having a curvilinear surface
Patent number
8,714,537
Issue date
May 6, 2014
Otis Elevator Company
Jeffrey A. Smith
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Patents Applications
last 30 patents
Information
Patent Application
METHOD OF INSTALLING A VERTICALLY EXTENDING MEMBER IN AN ELEVATOR S...
Publication number
20170183200
Publication date
Jun 29, 2017
Otis Elevator Company
Valery Sheynkman
B66 - HOISTING LIFTING HAULING
Information
Patent Application
LIFTING DEVICE CLAMP HAVING A CURVILINEAR SURFACE
Publication number
20100207311
Publication date
Aug 19, 2010
Jeffrey A. Smith
B66 - HOISTING LIFTING HAULING
Information
Patent Application
ASSEMBLY FOR ROPING AN ELEVATOR
Publication number
20100000823
Publication date
Jan 7, 2010
Valery Sheynkman
B66 - HOISTING LIFTING HAULING