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William G. Gottenberg
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Houston, TX, US
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last 30 patents
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Patent Grant
Heat exchanger and method for removing deposits from inner surfaces...
Patent number
5,287,915
Issue date
Feb 22, 1994
Shell Oil Company
Chih-Hsiung F. Liu
F28 - HEAT EXCHANGE IN GENERAL
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Patent Grant
Double I-beam structural joint for connecting fiber-reinforced plas...
Patent number
4,384,802
Issue date
May 24, 1983
Shell Oil Company
King H. Lo
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL