Steven L. Andrews

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Tulsa, OK, US

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Patents Grantslast 30 patents

Information 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
Information 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
Information 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