TREA

THE HARTFIEL COMPANY

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Organization

  • Eden Prairie, MN, US
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Hydraulic actuator control system
    • Patent number 7,831,352
    • Issue date Nov 9, 2010
    • The Hartfiel Company
    • Steve P. Laumer
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Valve arrangement and method of directing fluid flow
    • Patent number 6,749,173
    • Issue date Jun 15, 2004
    • The Hartfiel Company
    • Daniel Heiling
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

  • Information Trademark

    77736672 - THE HARTFIEL COMPANY
    • Serial number 77736672
    • Registration number 3725119
    • Filing date May 14, 2009
    • The Hartfiel Company
    • 35 - Advertising
  • Information Trademark

    77405571 - DURAMATION
    • Serial number 77405571
    • Filing date Feb 25, 2008
    • The Hartfiel Company
    • 7 - Machines and machine tools
  • Information Trademark

    77405565 - DURABOTICS
    • Serial number 77405565
    • Registration number 3693448
    • Filing date Feb 25, 2008
    • The Hartfiel Company
    • 7 - Machines and machine tools
  • Information Trademark

    77388908 - CPR
    • Serial number 77388908
    • Registration number 3715997
    • Filing date Feb 5, 2008
    • The Hartfiel Company
    • 35 - Advertising
  • Information Trademark

    77309562 - ROBODOCK
    • Serial number 77309562
    • Filing date Oct 22, 2007
    • The Hartfiel Company
    • 7 - Machines and machine tools
  • Information Trademark

    77309574 - ROBOWORKS
    • Serial number 77309574
    • Filing date Oct 22, 2007
    • The Hartfiel Company
    • 7 - Machines and machine tools
  • Information Trademark

    77142618 - ROBOTEMPS
    • Serial number 77142618
    • Filing date Mar 28, 2007
    • The Hartfiel Company
    • 7 - Machines and machine tools
  • Information Trademark

    77142665 - ROBOWORKER
    • Serial number 77142665
    • Filing date Mar 28, 2007
    • The Hartfiel Company
    • 7 - Machines and machine tools
  • Information Trademark

    77142695 - ROBOTENDER
    • Serial number 77142695
    • Filing date Mar 28, 2007
    • The Hartfiel Company
    • 7 - Machines and machine tools
  • Information Trademark

    77142656 - ROBOTEAM
    • Serial number 77142656
    • Filing date Mar 28, 2007
    • The Hartfiel Company
    • 7 - Machines and machine tools
  • Information Trademark

    78782822 - ROBOTEAM
    • Serial number 78782822
    • Filing date Dec 30, 2005
    • Hartfiel Company, The
    • 35 - Advertising
  • Information Trademark

    78782820 - ROBOTEMPS
    • Serial number 78782820
    • Filing date Dec 30, 2005
    • Hartfiel Company, The
    • 42 - Scientific and technological services and research and design relating thereto
  • Information Trademark

    78782824 - ROBOWORKER
    • Serial number 78782824
    • Filing date Dec 30, 2005
    • Hartfiel Company, The
    • 35 - Advertising
  • Information Trademark

    78446172
    • Serial number 78446172
    • Registration number 3027463
    • Filing date Jul 6, 2004
    • The Hartfiel Company
    • 35 - Advertising