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Joseph Helfrich

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  • Milwaikee, WI, US
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    ENERGY MANAGEMENT SYSTEM FOR HEAVY EQUIPMENT
    • Publication number 20140136042
    • Publication date May 15, 2014
    • Caterpillar Global Mining LLC
    • Michael Gordon Onsager
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    ENERGY MANAGEMENT AND STORAGE SYSTEM
    • Publication number 20120089279
    • Publication date Apr 12, 2012
    • Bucyrus International, Inc.
    • Michael Gordon Onsager
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    ENERGY SYSTEM FOR HEAVY EQUIPMENT
    • Publication number 20120086220
    • Publication date Apr 12, 2012
    • Bucyrus International, Inc.
    • Omar Abdel-Baqi
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    ENERGY MANAGEMENT SYSTEM FOR HEAVY EQUIPMENT
    • Publication number 20120089280
    • Publication date Apr 12, 2012
    • Bucyrus International, Inc.
    • Michael Gordon Onsager
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    ENERGY MANAGEMENT SYSTEM FOR HEAVY EQUIPMENT
    • Publication number 20110233931
    • Publication date Sep 29, 2011
    • Bucyrus International, Inc.
    • Robert WEBER
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    TECHNIQUE FOR CONTROLLING PUMPS IN A HYDRAULIC SYSTEM
    • Publication number 20110056192
    • Publication date Mar 10, 2011
    • Robert Weber
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    HYDRAULIC SYSTEM FOR HEAVY EQUIPMENT
    • Publication number 20110056194
    • Publication date Mar 10, 2011
    • Bucyrus International, Inc.
    • Mark Wojcicki
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING