Raymond Challis

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South Wales, GB

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Patents Grantslast 30 patents

Information Patent Grant
Gas heat exchanger
- Patent number 7,255,096
- Issue date Aug 14, 2007
- Senior Investments AG
- Ian Anthony Craig
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Exhaust gas recirculation cooler
- Patent number 6,460,520
- Issue date Oct 8, 2002
- Senior Investments AG
- Raymond Challis
- F28 - HEAT EXCHANGE IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Gas heat exchanger
- Publication number 20060032612
- Publication date Feb 16, 2006
- Ian Anthony Craig
- F28 - HEAT EXCHANGE IN GENERAL