TREA

Paul D. Hagen

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  • Yorkville, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Linkage assembly
    • Patent number 7,736,117
    • Issue date Jun 15, 2010
    • Caterpillar Inc.
    • Wayne Harshberger
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Cylinder with internal pushrod
    • Patent number 7,441,405
    • Issue date Oct 28, 2008
    • Caterpillar Inc.
    • Robert A. Aarestad
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Latch for an adjustable link assembly
    • Patent number 6,056,069
    • Issue date May 2, 2000
    • Caterpillar Inc.
    • Paul D. Hagen
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Pivot pin assembly
    • Patent number 4,096,957
    • Issue date Jun 27, 1978
    • Caterpillar Tractor Co.
    • Lowell P. Iverson
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

  • Information Patent Application

    LINKAGE ASSEMBLY
    • Publication number 20090110530
    • Publication date Apr 30, 2009
    • Caterpillar Inc.
    • Wayne Harshberger
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Cylinder With Internal Pushrod
    • Publication number 20070227133
    • Publication date Oct 4, 2007
    • Caterpillar Inc.
    • Robert A. Aarestad
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Cylinder with internal pushrod
    • Publication number 20050066655
    • Publication date Mar 31, 2005
    • Robert A. Aarestad
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING