Ronald L. Dupree

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Washington, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Engine system having carbon foam exhaust gas heat exchanger
- Patent number 7,287,522
- Issue date Oct 30, 2007
- Caterpillar Inc.
- Ronald L. Dupree
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Combined remote first intake air aftercooler and a second fluid fro...
- Patent number 6,546,919
- Issue date Apr 15, 2003
- Caterpillar Inc.
- James J. Callas
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Remote mounted air-to-air aftercooler
- Patent number 6,318,347
- Issue date Nov 20, 2001
- Caterpillar Inc.
- Paul A. Dicke
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Turbocharged engine cooling system with two-pass radiator
- Patent number 6,314,921
- Issue date Nov 13, 2001
- Caterpillar Inc.
- Michael D. Ash
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Turbocharged engine cooling system with two-pass radiator
- Patent number 6,158,399
- Issue date Dec 12, 2000
- Caterpillar Inc.
- Michael D. Ash
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

Information Patent Application
Method of manufacturing metallic foam based heat exchanger
- Publication number 20070228113
- Publication date Oct 4, 2007
- Ronald L. Dupree
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
Engine system having carbon foam exhaust gas heat exchanger
- Publication number 20070144500
- Publication date Jun 28, 2007
- Ronald L. Dupree
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
Radiator for a work machine
- Publication number 20070095504
- Publication date May 3, 2007
- John E. Tuntland
- B60 - VEHICLES IN GENERAL
Information Patent Application
Thermoelectric generator
- Publication number 20070095379
- Publication date May 3, 2007
- Mahmoud A. Taher
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
Cooling system for a work machine
- Publication number 20070089874
- Publication date Apr 26, 2007
- John E. Tuntland
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
Heat exchanger system having nonmetallic finless tubes
- Publication number 20040099403
- Publication date May 27, 2004
- Ronald L. Dupree
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
Combined remote first intake air aftercooler and a second fluid fro...
- Publication number 20020189255
- Publication date Dec 19, 2002
- James J. Callas
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...