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Steven L. Andrews
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Tulsa, OK, US
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last 30 patents
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Patent Grant
Method of controlling the separation efficiency of a hydrocyclone
Patent number
4,876,016
Issue date
Oct 24, 1989
Amoco Corporation
Grant A. Young
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Grant
Liquid separator with tangential drive fluid introduction
Patent number
4,857,197
Issue date
Aug 15, 1989
Amoco Corporation
Grant A. Young
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Grant
Technique for increased retention time in oil field settling tanks
Patent number
4,619,771
Issue date
Oct 28, 1986
Standard Oil Company (Indiana)
Joe C. Stall
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL