Stephen Wayne Johnston

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Sugarland, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Dual phase distribution device
- Patent number 5,658,503
- Issue date Aug 19, 1997
- Shell Oil Company
- Stephen W. Johnston
- F28 - HEAT EXCHANGE IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
SUPPORT FOR A TUBE BUNDLE
- Publication number 20090200004
- Publication date Aug 13, 2009
- Stephen Wayne Johnston
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
Support for a tube bundle
- Publication number 20050161204
- Publication date Jul 28, 2005
- Stephen Wayne Johnston
- F28 - HEAT EXCHANGE IN GENERAL