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Frac ball dispenser
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Issue date Feb 8, 2022
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NEXTIER COMPLETION SOLUTIONS INC.
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Jaime C. Pedraza
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E21 - EARTH DRILLING MINING
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Flapper valve
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Patent number 8,607,876
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Issue date Dec 17, 2013
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ThruBit, B.V.
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Jonathan Macrae
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Rotating fluid union
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Patent number 8,113,544
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Issue date Feb 14, 2012
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Hydril USA Manufacturing LLC
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Jimmy Fultz
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...