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Drill String Valve and Method
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Publication date May 5, 2011
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HYDRIL USA MANUFACTURING LLC
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Derryl Schroeder
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FUEL CELL SYSTEM
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FLOW-ACTUATED ACTUATOR AND METHOD
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Publication date Nov 25, 2010
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BAKER HUGHES INCORPORATED
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Richard Patterson
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Publication date Aug 26, 2010
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Alan Martyn Eddison
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ANNULUS ISOLATION VALVE
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Publication date Jun 10, 2010
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Andy Dyson
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E21 - EARTH DRILLING MINING
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Tubing Hanger
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Publication date Apr 15, 2010
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Andy Dyson
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TUBING HANGER SEAL
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Publication date Apr 8, 2010
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Andy Dyson
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Valve
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Publication date Feb 5, 2009
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Alan Martyn Eddison
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E21 - EARTH DRILLING MINING
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Isolation valve with rotatable flange
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Robert P. Arentsen
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Walter Tuymer
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Fluid Proportioning Valve
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Harvey B. Jansen
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Fluid control devices
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Steven Lonnes
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Isolation valve with rotatable flange
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Robert P. Arentsen
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Flow control valve
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Publication date Jun 21, 2001
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KYOSAN DENKI CO., LTD.
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Masato Sato
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Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC