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Marvin Allen GREGORY

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  • Spring, TX, US
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    MILLABLE BRIDGE PLUG SYSTEM
    • Publication number 20180179853
    • Publication date Jun 28, 2018
    • CNPC USA Corp.
    • Jianpeng YUE
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    MILLABLE BRIDGE PLUG SYSTEM
    • Publication number 20180171749
    • Publication date Jun 21, 2018
    • CNPC USA Corp.
    • Jianpeng YUE
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    SHORT MILLABLE PLUG FOR HYDRAULIC FRACTURING OPERATIONS
    • Publication number 20180058174
    • Publication date Mar 1, 2018
    • CNPC USA CORPORATION
    • Jianpeng Yue
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    PROPULSION GENERATOR AND METHOD
    • Publication number 20170254182
    • Publication date Sep 7, 2017
    • Coil Solutions, Inc.
    • Marvin A. Gregory
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    PROPULSION GENERATOR AND METHOD
    • Publication number 20160017694
    • Publication date Jan 21, 2016
    • Coil Solutions, Inc.
    • Marvin A. Gregory
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    BALL SEAT SYSTEM
    • Publication number 20150136403
    • Publication date May 21, 2015
    • CNPC USA Corp.
    • Peng CHENG
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    MILLABLE BRIDGE PLUG SYSTEM
    • Publication number 20140174738
    • Publication date Jun 26, 2014
    • CNPC USA Corp.
    • Marvin Allen GREGORY
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    MILLABLE BRIDGE PLUG SYSTEM
    • Publication number 20140166317
    • Publication date Jun 19, 2014
    • CNPC USA Corp.
    • Marvin Allen GREGORY
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    MILLABLE BRIDGE PLUG SYSTEM
    • Publication number 20140166283
    • Publication date Jun 19, 2014
    • CNPC USA Corp.
    • Marvin Allen GREGORY
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    PRESSURE CONTROLLED MULTI-SHIFT FRAC SLEEVE SYSTEM
    • Publication number 20140158361
    • Publication date Jun 12, 2014
    • CNPC USA Corp.
    • Peng CHENG
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    DRILL BIT HOUSING VIBRATOR AND METHOD
    • Publication number 20140151125
    • Publication date Jun 5, 2014
    • CNPC USA CORPORATION
    • Marvin A. Gregory
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    VIBRATIONAL TOOL WITH TOOL AXIS ROTATIONAL MASS AND METHOD
    • Publication number 20140150577
    • Publication date Jun 5, 2014
    • CNPC USA CORPORATION
    • Marvin A. Gregory
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    VIBRATIONAL TOOL WITH ROTATING ENGAGEMENT SURFACES AND METHOD
    • Publication number 20140150576
    • Publication date Jun 5, 2014
    • CNPC USA CORPORATION
    • Marvin A. Gregory
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Propulsion Generator and Method
    • Publication number 20130160991
    • Publication date Jun 27, 2013
    • COIL SOLUTIONS INC.
    • Marvin A. Gregory
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Drilling assembly and method
    • Publication number 20040149492
    • Publication date Aug 5, 2004
    • Bruce L. Taylor
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Formation cutting method and system
    • Publication number 20020100615
    • Publication date Aug 1, 2002
    • Hal Curlett
    • E21 - EARTH DRILLING MINING