TREA

Mark J. Perina

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  • Omaha, NE, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Base angle attachment assemblies
    • Patent number 10,100,548
    • Issue date Oct 16, 2018
    • Valmont Industries, Inc.
    • Mark Perina
    • E04 - BUILDING
  • Information Patent Grant

    Hinged pole apparatus
    • Patent number 7,621,077
    • Issue date Nov 24, 2009
    • Valmont Industries, Inc.
    • Mark J. Perina
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hollow structural member
    • Patent number 7,464,512
    • Issue date Dec 16, 2008
    • Mark J. Perina
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Method and means for erecting a wind energy tower
    • Patent number 6,868,646
    • Issue date Mar 22, 2005
    • Valmont Industries, Inc.
    • Mark J. Perina
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Method and means for mounting a wind turbine on a tower
    • Patent number 6,522,025
    • Issue date Feb 18, 2003
    • Valmont Industries, Inc.
    • Jeffrey O. Willis
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Method and means for mounting a wind turbine on a tower
    • Patent number 6,505,785
    • Issue date Jan 14, 2003
    • Valmont Industries, Inc.
    • Jeffrey O. Willis
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...

Patents Applicationslast 30 patents