TREA

Andrew A. Schuermann

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  • Perry, OK, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Trenching system with hydraulically adjustable hub
    • Patent number 11,396,734
    • Issue date Jul 26, 2022
    • The Charles Machine Works, Inc.
    • Cody L. Sewell
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Trenching system with hydraulically adjustable hub
    • Patent number 10,422,107
    • Issue date Sep 24, 2019
    • The Charles Machine Works, Inc.
    • Cody L. Sewell
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Trenching system
    • Patent number 10,378,179
    • Issue date Aug 13, 2019
    • The Charles Machine Works, Inc.
    • Michael C. Ruhl
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Trenching system
    • Patent number 9,752,301
    • Issue date Sep 5, 2017
    • The Charles Machine Works, Inc.
    • Michael C. Ruhl
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Trenching system with hydraulically adjustable hub
    • Patent number 9,695,573
    • Issue date Jul 4, 2017
    • The Charles Machine Works, Inc.
    • Cody L. Sewell
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Trenching system
    • Patent number 8,806,784
    • Issue date Aug 19, 2014
    • The Charles Machine Works, Inc.
    • Michael C. Ruhl
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Trenching system
    • Patent number 8,375,605
    • Issue date Feb 19, 2013
    • The Charles Machine Works, Inc.
    • Michael C. Ruhl
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

  • Information Patent Application

    Trenching System With Hydraulically Adjustable Hub
    • Publication number 20200018041
    • Publication date Jan 16, 2020
    • The Charles Machine Works, Inc.
    • Cody L. Sewell
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Trenching System
    • Publication number 20170362795
    • Publication date Dec 21, 2017
    • The Charles Machine Works, Inc.
    • Michael C. Ruhl
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Trenching System With Hydraulically Adjustable Hub
    • Publication number 20170298594
    • Publication date Oct 19, 2017
    • The Charles Machine Works, Inc.
    • Cody L. Sewell
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Trenching System With Hydraulically Adjustable Hub
    • Publication number 20150218777
    • Publication date Aug 6, 2015
    • The Charles Machine Works, Inc.
    • Cody L. Sewell
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Trenching System
    • Publication number 20140345169
    • Publication date Nov 27, 2014
    • Michael C. Ruhl
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Trenching System
    • Publication number 20130145657
    • Publication date Jun 13, 2013
    • The Charles Machine Works, Inc.
    • Michael C. Ruhl
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Trenching System
    • Publication number 20110016754
    • Publication date Jan 27, 2011
    • The Charles Machine Works Inc.
    • Michael C. Ruhl
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING