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Two hermetic threaded tubular joints
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Patent number 8,146,960
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Issue date Apr 3, 2012
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Vallourec Mannesmann Oil & Gas France
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Laurent Dubedout
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Expandable tubular connection
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Patent number 7,585,002
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Issue date Sep 8, 2009
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Baker Hughes Incorporated
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Eric J. Curley
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Expandable threaded connection
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Patent number 7,380,840
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Issue date Jun 3, 2008
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Hydril Company
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Robert S. Sivley, IV
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Method for coupling and expanding tubing
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Patent number 7,225,523
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Issue date Jun 5, 2007
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Weatherford/Lamb, Inc.
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Paul David Metcalfe
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Expandable coupling
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Patent number 7,107,663
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Issue date Sep 19, 2006
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Weatherford/Lamb, Inc.
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Peter Ellington
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Expandable connection
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Patent number 7,017,950
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Issue date Mar 28, 2006
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Weatherford/Lamb, Inc.
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Iain Cameron Macaulay
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Apparatus and method to expand casing
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Patent number 6,622,797
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Issue date Sep 23, 2003
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Hydril Company
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Robert S. Sivley
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Expandable locking thread joint
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Patent number 6,619,696
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Issue date Sep 16, 2003
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Baker Hughes Incorporated
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John L. Baugh
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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Expandable joint connector
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Patent number 6,409,175
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Issue date Jun 25, 2002
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Grant Prideco, Inc.
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M. Edward Evans
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E21 - EARTH DRILLING MINING