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Max Allen Metcalf

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  • Stillwater, OK, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Virtual brake system
    • Patent number 12,116,855
    • Issue date Oct 15, 2024
    • The Charles Machine Works, Inc.
    • Joseph G. Greenlee
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Drill string rotation brake
    • Patent number 11,708,725
    • Issue date Jul 25, 2023
    • The Charles Machine Works, Inc.
    • Max A. Metcalf
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Virtual brake system
    • Patent number 11,686,180
    • Issue date Jun 27, 2023
    • The Charles Machine Works, Inc.
    • Joseph G. Greenlee
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Pipe storage box
    • Patent number 11,391,100
    • Issue date Jul 19, 2022
    • The Charles Machine Works, Inc.
    • Max A. Metcalf
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Virtual brake system
    • Patent number 11,118,430
    • Issue date Sep 14, 2021
    • The Charles Machine Works, Inc.
    • Joseph G. Greenlee
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pipe storage box
    • Patent number 11,078,731
    • Issue date Aug 3, 2021
    • The Charles Machine Works, Inc.
    • Max Allen Metcalf
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Drill string rotation brake
    • Patent number 11,041,342
    • Issue date Jun 22, 2021
    • The Charles Machine Works, Inc.
    • Max A. Metcalf
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Horizontal directional drill pipe drive connection with locking fea...
    • Patent number 10,851,599
    • Issue date Dec 1, 2020
    • The Charles Machine Works, Inc.
    • Greg L. Slaughter
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Pipe handling assembly
    • Patent number 10,808,466
    • Issue date Oct 20, 2020
    • The Charles Machine Works, Inc.
    • Rick G. Porter
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Virtual brake system
    • Patent number 10,724,347
    • Issue date Jul 28, 2020
    • The Charles Machine Works, Inc.
    • Joseph G. Greenlee
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Spindle brake logic
    • Patent number 10,557,332
    • Issue date Feb 11, 2020
    • The Charles Machine Works, Inc.
    • Aleksander S. Wolfe
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Drill string rotation brake
    • Patent number 10,407,991
    • Issue date Sep 10, 2019
    • The Charles Machine Works, Inc.
    • Max A. Metcalf
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Pipe storage box
    • Patent number 10,358,880
    • Issue date Jul 23, 2019
    • The Charles Machine Works, Inc.
    • Max Allen Metcalf
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Horizontal directional drill pipe drive connection with locking fea...
    • Patent number 9,834,995
    • Issue date Dec 5, 2017
    • The Charles Machine Works, Inc.
    • Greg L. Slaughter
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Horizontal directional drill pipe drive connection with locking fea...
    • Patent number 9,206,851
    • Issue date Dec 8, 2015
    • The Charles Machine Works, Inc.
    • Greg Lowell Slaughter
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    VIRTUAL BRAKE SYSTEM
    • Publication number 20240344397
    • Publication date Oct 17, 2024
    • The Charles Machine Works, Inc.
    • Joseph G. Greenlee
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    VIRTUAL BRAKE SYSTEM
    • Publication number 20230332487
    • Publication date Oct 19, 2023
    • The Charles Machine Works, Inc.
    • Joseph G. Greenlee
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    APPARATUS FOR CAPTURING AXIAL FORCE ON AN INNER DRIVE MEMBER
    • Publication number 20220178205
    • Publication date Jun 9, 2022
    • The Charles Machine Works, Inc.
    • Max A. Metcalf
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Virtual Brake System
    • Publication number 20210404293
    • Publication date Dec 30, 2021
    • The Charles Machine Works, Inc.
    • Joseph G. Greenlee
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Drill String Rotation Brake
    • Publication number 20210310308
    • Publication date Oct 7, 2021
    • The Charles Machine Works, Inc.
    • Max A. Metcalf
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Pipe Storage Box
    • Publication number 20200386064
    • Publication date Dec 10, 2020
    • The Charles Machine Works, Inc.
    • Max A. Metcalf
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Virtual Brake System
    • Publication number 20200347701
    • Publication date Nov 5, 2020
    • The Charles Machine Works, Inc.
    • Joseph G. Greenlee
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Drill String Rotation Brake
    • Publication number 20190360272
    • Publication date Nov 28, 2019
    • The Charles Machine Works, Inc.
    • Max A. Metcalf
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Pipe Storage Box
    • Publication number 20190338606
    • Publication date Nov 7, 2019
    • The Charles Machine Works, Inc.
    • Max Allen Metcalf
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Pipe Handling Assembly
    • Publication number 20190234158
    • Publication date Aug 1, 2019
    • The Charles Machine Works, Inc.
    • Rick G. Porter
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Spindle Brake Logic
    • Publication number 20180179862
    • Publication date Jun 28, 2018
    • The Charles Machine Works, Inc.
    • Aleksander S. Wolfe
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Virtual Brake System
    • Publication number 20180171718
    • Publication date Jun 21, 2018
    • The Charles Machine Works, Inc.
    • Joseph G. Greenlee
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Horizontal Directional Drill Pipe Drive Connection With Locking Fea...
    • Publication number 20180148985
    • Publication date May 31, 2018
    • The Charles Machine Works, Inc.
    • Greg L. Slaughter
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Pipe Storage Box
    • Publication number 20170159379
    • Publication date Jun 8, 2017
    • The Charles Machine Works, Inc.
    • Max Allen Metcalf
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Makeup And Breakout System For Horizontal Directional Drilling
    • Publication number 20170130540
    • Publication date May 11, 2017
    • The Charles Machine Works, Inc.
    • Max A. Metcalf
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Horizontal Directional Drill Pipe Drive Connection With Locking Fea...
    • Publication number 20160084016
    • Publication date Mar 24, 2016
    • The Charles Machine Works, Inc.
    • Greg L. Slaughter
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Drill String Rotation Brake
    • Publication number 20160069136
    • Publication date Mar 10, 2016
    • The Charles Machine Works, Inc.
    • Max A. Metcalf
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Horizontal Directional Drill Pipe Drive Connection With Locking Fea...
    • Publication number 20140050522
    • Publication date Feb 20, 2014
    • The Charles Machine Works, Inc.
    • Greg Lowell Slaughter
    • E21 - EARTH DRILLING MINING