TREA

Jeffrey S. Schwake

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  • Oshkosh, WI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pin retention system
    • Patent number 9,587,668
    • Issue date Mar 7, 2017
    • Harnischfeger Technologies, Inc.
    • Wei Jia
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Dipper door latch with locking mechanism
    • Patent number 8,844,174
    • Issue date Sep 30, 2014
    • Harnischfeger Technologies, Inc.
    • William J. Hren
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Dipper door latch with locking mechanism
    • Patent number 8,590,180
    • Issue date Nov 26, 2013
    • Harnischfeger Technologies, Inc.
    • William J. Hren
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Dipper door latch with locking mechanism
    • Patent number 8,136,272
    • Issue date Mar 20, 2012
    • Harnischfeger Technologies, Inc.
    • William J. Hren
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

  • Information Patent Application

    PIN RETENTION SYSTEM
    • Publication number 20140270913
    • Publication date Sep 18, 2014
    • Harnischfeger Technologies, Inc.
    • Wei Jia
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Application

    DIPPER DOOR LATCH WITH LOCKING MECHANISM
    • Publication number 20140079522
    • Publication date Mar 20, 2014
    • Harnischfeger Technologies, Inc.
    • William J. Hren
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    DIPPER DOOR LATCH WITH LOCKING MECHANISM
    • Publication number 20110146114
    • Publication date Jun 23, 2011
    • Harnischfeger Technologies, Inc.
    • William J. Hren
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    DIPPER DOOR LATCH WITH LOCKING MECHANISM
    • Publication number 20100212194
    • Publication date Aug 26, 2010
    • Harnischfeger Technologies, Inc.
    • William J. Hren
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    DIPPER DOOR LATCH WITH LOCKING MECHANISM
    • Publication number 20070107269
    • Publication date May 17, 2007
    • Harnischfeger Technologies, Inc.
    • William J. Hren
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING