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Casing shoe assembly
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Patent number 12,305,453
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Issue date May 20, 2025
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FORUM US, INC.
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Jeffery Morrison
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E21 - EARTH DRILLING MINING
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Stage cementing system
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Patent number 11,713,646
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Issue date Aug 1, 2023
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Weatherford Technology Holdings, LLC
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Richard Lee Giroux
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E21 - EARTH DRILLING MINING
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Stop collar assembly
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Patent number 11,286,750
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Issue date Mar 29, 2022
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Weatherford Technology Holdings, LLC
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Jeffery Morrison
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E21 - EARTH DRILLING MINING
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Stage cementing system
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Patent number 11,125,048
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Issue date Sep 21, 2021
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Weatherford Technology Holdings, LLC
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Richard Lee Giroux
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E21 - EARTH DRILLING MINING
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Quick connect connection
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Patent number 10,422,190
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Issue date Sep 24, 2019
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Weatherford Technology Holdings, LLC
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Jeffery Morrison
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Centralizer
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Patent number 10,113,372
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Issue date Oct 30, 2018
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Weatherford Technology Holdings, LLC
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Jeffery Morrison
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E21 - EARTH DRILLING MINING
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Piston float equipment
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Patent number 9,915,124
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Issue date Mar 13, 2018
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Weatherford Technology Holdings, LLC
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Jeffery Morrison
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E21 - EARTH DRILLING MINING
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Ball valve float equipment
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Patent number 9,371,918
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Issue date Jun 21, 2016
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Weatherford Technology Holdings, LLC
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Jeffery Morrison
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Casing relief valve
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Patent number 9,051,809
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Issue date Jun 9, 2015
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Weatherford Technology Holdings, LLC
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Jeffery Morrison
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E21 - EARTH DRILLING MINING