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Ross A. Hewitt
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Sacramento, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Rocket engine chamber with layered internal wall channels
Patent number
7,343,732
Issue date
Mar 18, 2008
Aerojet-General Corporation
Ross A. Hewitt
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
Stirling engine having platelet heat exchanging elements
Patent number
6,931,848
Issue date
Aug 23, 2005
Power Play Energy L.L.C.
Joseph P. Maceda
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Expander cycle rocket engine with staged combustion and heat exchange
Patent number
6,832,471
Issue date
Dec 21, 2004
Aerojet-General Corporation
Ross A. Hewitt
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Grant
Nozzle with spiral internal cooling channels
Patent number
6,802,179
Issue date
Oct 12, 2004
Aerojet-General Corporation
Ross A. Hewitt
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Grant
Diversion of combustion gas within a rocket engine to preheat fuel
Patent number
6,799,417
Issue date
Oct 5, 2004
Aerojet-General Corporation
Ross A. Hewitt
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Stirling engine having platelet heat exchanging elements
Patent number
6,513,326
Issue date
Feb 4, 2003
Joseph P. Maceda
F28 - HEAT EXCHANGE IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
Throttleable swirling injector for combustion chambers
Publication number
20070029408
Publication date
Feb 8, 2007
Aerojet-General Corporation
Ross A. Hewitt
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Application
Rocket engine chamber with layered internal wall channels
Publication number
20060144959
Publication date
Jul 6, 2006
Ross A. Hewitt
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
Stirling engine having platelet heat exchanging elements
Publication number
20060021343
Publication date
Feb 2, 2006
Power Play Energy, L.L.C.
Joseph P. Maceda
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Application
Expander cycle rocket engine with staged combustion and heat exchange
Publication number
20040177603
Publication date
Sep 16, 2004
Aerojet-General Corporation
Ross A. Hewitt
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Application
NOZZLE WITH SPIRAL INTERNAL COOLING CHANNELS
Publication number
20040168428
Publication date
Sep 2, 2004
Aerojet-General Corporation
Ross A. Hewitt
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Application
Diversion of combustion gas within a rocket engine to preheat fuel
Publication number
20040148923
Publication date
Aug 5, 2004
Aerojet-General Corporation, a corporation of the state of Ohio
Ross A. Hewitt
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Application
Stirling engine having platelet heat exchanging elements
Publication number
20030163990
Publication date
Sep 4, 2003
Joseph P. Maceda
F28 - HEAT EXCHANGE IN GENERAL