TREA

Walter G. Thompson

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  • Janesville, WI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pipe slitter
    • Patent number D1018244
    • Issue date Mar 19, 2024
    • The Charles Machine Works, Inc.
    • Walter George Thompson
    • D08 - Tools and hardware
  • Information Patent Grant

    Slip style rod spinner for pipe bursting machine
    • Patent number 10,246,949
    • Issue date Apr 2, 2019
    • Earth Tool Company LLC
    • Steven W. Wentworth
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Gut hook bladed pipe slitter
    • Patent number D816456
    • Issue date May 1, 2018
    • Earth Tool Company LLC
    • Robert F. Crane
    • D08 - Tools and hardware
  • Information Patent Grant

    Slip style rod spinner for pipe bursting machine
    • Patent number 9,915,109
    • Issue date Mar 13, 2018
    • Earth Tool Company LLC
    • Steven W. Wentworth
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Pipe slitter
    • Patent number 9,566,653
    • Issue date Feb 14, 2017
    • Earth Tool Company LLC
    • Mark D. Randa
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Pipe slitting apparatus
    • Patent number 9,512,951
    • Issue date Dec 6, 2016
    • Earth Tool Company LLC
    • Mark D. Randa
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

  • Information Patent Application

    JAW ENGAGEMENT ASSIST SYSTEM
    • Publication number 20250141196
    • Publication date May 1, 2025
    • The Charles Machine Works, Inc.
    • Walter George Thompson
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Slip Style Rod Spinner For Pipe Bursting Machine
    • Publication number 20180223608
    • Publication date Aug 9, 2018
    • Earth Tool Company LLC
    • Steven W. Wentworth
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Slip Style Rod Spinner For Pipe Bursting Machine
    • Publication number 20180073311
    • Publication date Mar 15, 2018
    • EARTH TOOL COMPANY LLC
    • Steven W. Wentworth
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Gut Hook Bladed Pipe Slitter
    • Publication number 20160319979
    • Publication date Nov 3, 2016
    • Earth Tool Company LLC
    • Robert F. Crane
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Slip Style Rod Spinner For Pipe Bursting Machine
    • Publication number 20150252632
    • Publication date Sep 10, 2015
    • EARTH TOOL COMPANY LLC
    • Steven W. Wentworth
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Pipe Slitting Apparatus
    • Publication number 20150198279
    • Publication date Jul 16, 2015
    • EARTH TOOL COMPANY LLC
    • Mark D. Randa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Pipe Slitter
    • Publication number 20150098765
    • Publication date Apr 9, 2015
    • EARTH TOOL COMPANY LLC
    • Mark D. Randa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Wire Rope Payout Upon Tensile Demand
    • Publication number 20140248089
    • Publication date Sep 4, 2014
    • EARTH TOOL COMPANY LLC
    • Walter G. Thompson
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Deep Trench Rod Loader Apparatus
    • Publication number 20130243530
    • Publication date Sep 19, 2013
    • EARTH TOOL COMPANY LLC
    • Brian John Bischel
    • E21 - EARTH DRILLING MINING