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Stephen K. Richmond
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Hartford, CT, US
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Patents Grants
last 30 patents
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Patent Grant
Elevator security and control system based on passenger movement
Patent number
10,696,517
Issue date
Jun 30, 2020
Otis Elevator Company
Meghan Q. Toner
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
Elevator passenger tracking control and call cancellation system
Patent number
10,532,909
Issue date
Jan 14, 2020
Otis Elevator Company
Stephen K. Richmond
B66 - HOISTING LIFTING HAULING
Patents Applications
last 30 patents
Information
Patent Application
ELEVATOR PASSENGER TRACKING CONTROL AND CALL CANCELLATION SYSTEM
Publication number
20170327344
Publication date
Nov 16, 2017
Otis Elevator Company
Stephen K. Richmond
B66 - HOISTING LIFTING HAULING
Information
Patent Application
ELEVATOR SECURITY AND CONTROL SYSTEM BASED ON PASSENGER MOVEMENT
Publication number
20170275134
Publication date
Sep 28, 2017
Otis Elevator Company
Meghan Q. Toner
B66 - HOISTING LIFTING HAULING