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Christopher H. Koenig
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Bristol, CT, US
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Patents Grants
last 30 patents
Information
Patent Grant
Retrofitted hoist machine
Patent number
11,807,493
Issue date
Nov 7, 2023
Otis Elevator Company
Christopher H. Koenig
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
Retrofitting an elevator machine with primary and secondary braking
Patent number
11,377,323
Issue date
Jul 5, 2022
Otis Elevator Company
Daniel B. Davis
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
Method and kit for retrofitting elevator machines with thrust beari...
Patent number
11,299,374
Issue date
Apr 12, 2022
Otis Elevator Company
Daniel B. Davis
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Method and kit for retrofitting elevator machines with thrust beari...
Patent number
10,737,908
Issue date
Aug 11, 2020
Otis Elevator Company
Daniel B. Davis
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
Retrofitting an elevator machine with primary and secondary braking
Patent number
10,618,775
Issue date
Apr 14, 2020
Otis Elevator Company
Daniel B. Davis
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Supplemental elevator brake and retrofitting installation procedure
Patent number
8,752,262
Issue date
Jun 17, 2014
Otis Elevator Company
Daniel B. Davis
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
Elevator position apparatus
Patent number
5,594,219
Issue date
Jan 14, 1997
Otis Elevator Company
Sanjay Kamani
B66 - HOISTING LIFTING HAULING
Patents Applications
last 30 patents
Information
Patent Application
METHOD AND KIT FOR RETROFITTING ELEVATOR MACHINES WITH THRUST BEARI...
Publication number
20200270100
Publication date
Aug 27, 2020
Otis Elevator Company
Daniel B. Davis
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
RETROFITTING AN ELEVATOR MACHINE WITH PRIMARY AND SECONDARY BRAKING
Publication number
20200207580
Publication date
Jul 2, 2020
Otis Elevator Company
Daniel B. Davis
B66 - HOISTING LIFTING HAULING
Information
Patent Application
RETROFITTING AN ELEVATOR MACHINE WITH PRIMARY AND SECONDARY BRAKING
Publication number
20180141781
Publication date
May 24, 2018
Otis Elevator Company
Daniel B. Davis
B66 - HOISTING LIFTING HAULING
Information
Patent Application
METHOD AND KIT FOR RETROFITTING ELEVATOR MACHINES WITH THRUST BEARI...
Publication number
20180141783
Publication date
May 24, 2018
Otis Elevator Company
Daniel B. Davis
B66 - HOISTING LIFTING HAULING
Information
Patent Application
SUPPLEMENTAL ELEVATOR BRAKE AND RETROFITTING INSTALLATION PROCEDURE
Publication number
20110147129
Publication date
Jun 23, 2011
Daniel B. Davis
B66 - HOISTING LIFTING HAULING