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Donald Roy Greenlee

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  • Murchison, TX, US
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    COMPACT DOWNHOLE TOOL
    • Publication number 20250146380
    • Publication date May 8, 2025
    • Nine Downhole Technologies, LLC
    • Donald Roy Greenlee
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    COMPACT DOWNHOLE TOOL
    • Publication number 20250146381
    • Publication date May 8, 2025
    • Nine Downhole Technologies, LLC
    • Donald Roy Greenlee
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    COMPACT DOWNHOLE TOOL
    • Publication number 20250146382
    • Publication date May 8, 2025
    • Nine Downhole Technologies, LLC
    • Donald Roy Greenlee
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    COMPACT DOWNHOLE TOOL
    • Publication number 20230349259
    • Publication date Nov 2, 2023
    • Nine Downhole Technologies, LLC
    • Donald Roy Greenlee
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    CUP PLUG HAVING A LARGE FLOW-THROUGH INSIDE DIAMETER
    • Publication number 20220372835
    • Publication date Nov 24, 2022
    • Nine Downhole Technologies, LLC
    • Donald Roy Greenlee
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    COMPACT DOWNHOLE TOOL
    • Publication number 20220356778
    • Publication date Nov 10, 2022
    • Nine Downhole Technologies, LLC
    • Donald Roy Greenlee
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    SLEEVE FOR DOWNHOLE TOOLS
    • Publication number 20210310322
    • Publication date Oct 7, 2021
    • Nine Downhole Technologies, LLC
    • Donald Roy Greenlee
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    SLIPS WITH INTERNAL BUTTONS
    • Publication number 20200392807
    • Publication date Dec 17, 2020
    • Nine Downhole Technologies, LLC
    • Donald Roy Greenlee
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    COMPACT DOWNHOLE TOOL
    • Publication number 20200392808
    • Publication date Dec 17, 2020
    • Nine Downhole Technologies, LLC
    • Donald Roy Greenlee
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Drop Balls for Use with Settable Downhole Tools
    • Publication number 20200102804
    • Publication date Apr 2, 2020
    • Nine Downhole Technologies, LLC
    • Warren Lynn Frazier
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    CUP PLUG HAVING A LARGE FLOW-THROUGH INSIDE DIAMETER
    • Publication number 20200048983
    • Publication date Feb 13, 2020
    • Nine Downhole Technologies, LLC
    • Donald R. Greenlee
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Filament-Reinforced Composite Material with Load-Aligned Filament W...
    • Publication number 20190352999
    • Publication date Nov 21, 2019
    • Nine Downhole Technologies, LLC
    • Donald Roy Greenlee
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    Cup Plug Having a Large Flow-Through Inside Diameter
    • Publication number 20180274325
    • Publication date Sep 27, 2018
    • Nine Downhole Technologies, LLC
    • Donald Roy Greenlee
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Retrievable Downhole Tool
    • Publication number 20160281458
    • Publication date Sep 29, 2016
    • Donald R. Greenlee
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Hydrostatic Setting Tool
    • Publication number 20150368995
    • Publication date Dec 24, 2015
    • Donald R. Greenlee
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Downhole Tool Apparatus with Slip Plate and Wedge
    • Publication number 20140190682
    • Publication date Jul 10, 2014
    • Donald J. Greenlee
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Hydrostatic Setting Tool
    • Publication number 20130220638
    • Publication date Aug 29, 2013
    • Donald R. Greenlee
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Downhole Apparatus with Packer Cup and Slip
    • Publication number 20120080202
    • Publication date Apr 5, 2012
    • Donald Roy Greenlee
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Downhole Apparatus with Packer Cup and Slip
    • Publication number 20110308820
    • Publication date Dec 22, 2011
    • Donald Roy Greenlee
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    DOWNHOLE APPARATUS WITH PACKER CUP AND SLIP
    • Publication number 20100101807
    • Publication date Apr 29, 2010
    • Donald Roy Greenlee
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Anti-extrusion assembly for a packing element system
    • Publication number 20040036225
    • Publication date Feb 26, 2004
    • Michael G. Ritter
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    High temperature and pressure element system
    • Publication number 20020070503
    • Publication date Jun 13, 2002
    • Patrick J. Zimmerman
    • E21 - EARTH DRILLING MINING