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Roger J. Collings
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Rockford, IL, US
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Patents Grants
last 30 patents
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Patent Grant
Internal cooling of magnetic core for electric machine
Patent number
9,225,208
Issue date
Dec 29, 2015
Hamilton Sundstrand Corporation
Robert Scott Downing
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Electric machine with enhanced liquid cooling
Patent number
5,347,188
Issue date
Sep 13, 1994
Sunstrand Corporation
Walter J. Iseman
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Jet impingement heat exchanger
Patent number
5,329,994
Issue date
Jul 19, 1994
Sundstrand Corporation
Roger J. Collings
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Self-pumping phase change thermal energy device
Patent number
5,083,605
Issue date
Jan 28, 1992
Sundstrand Corporaiton
Roger J. Collings
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
Generator end turn cooling using oil flow control tubes
Patent number
5,081,382
Issue date
Jan 14, 1992
Sundstrand Corporation
Roger J. Collings
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Solar energy apparatus with apertured shield
Patent number
4,850,337
Issue date
Jul 25, 1989
Sundstrand Corporation
Roger J. Collings
F24 - HEATING RANGES VENTILATING
Patents Applications
last 30 patents
Information
Patent Application
INTERNAL COOLING OF MAGNETIC CORE FOR ELECTRIC MACHINE
Publication number
20130113311
Publication date
May 9, 2013
Hamilton Sundstrand Corporation
Robert Scott Downing
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER