TREA

Robert A. Aarestad

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  • Washington, IL, US
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Patents Grantslast 30 patents

  • 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

    Hydraulic quick drop circuit
    • Patent number 6,699,311
    • Issue date Mar 2, 2004
    • Caterpillar Inc.
    • David P. Smith
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Magnetic detent assist assembly
    • Patent number 6,634,383
    • Issue date Oct 21, 2003
    • Caterpillar Inc.
    • Robert A. Aarestad
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL

Patents Applicationslast 30 patents

  • 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
  • Information Patent Application

    Hydraulic quick drop circuit
    • Publication number 20030121410
    • Publication date Jul 3, 2003
    • David P. Smith
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Magnetic detent assist assembly
    • Publication number 20030111120
    • Publication date Jun 19, 2003
    • Robert A. Aarestad
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL