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James Hammer

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  • Portland, OR, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Retaining wall system
    • Patent number 9,902,600
    • Issue date Feb 27, 2018
    • Westblock Systems, Inc.
    • James E. Hammer
    • E04 - BUILDING
  • Information Patent Grant

    Retaining wall system
    • Patent number 9,562,338
    • Issue date Feb 7, 2017
    • Westblock Systems, Inc.
    • James E. Hammer
    • E04 - BUILDING
  • Information Patent Grant

    Retaining wall system
    • Patent number 9,428,878
    • Issue date Aug 30, 2016
    • Westblock Systems, Inc.
    • James E. Hammer
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Wall block system
    • Patent number 8,667,759
    • Issue date Mar 11, 2014
    • Westblock Systems, Inc.
    • James E. Hammer
    • E04 - BUILDING
  • Information Patent Grant

    Concrete block mold
    • Patent number D679300
    • Issue date Apr 2, 2013
    • Westblock Systems, Inc.
    • James E. Hammer
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Concrete block mold
    • Patent number D676070
    • Issue date Feb 12, 2013
    • Westblock Systems, Inc.
    • James E. Hammer
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Masonry block wall system
    • Patent number 7,946,086
    • Issue date May 24, 2011
    • Westblock Systems, Inc.
    • James Hammer
    • E04 - BUILDING
  • Information Patent Grant

    Portion of a mold insert for forming concrete blocks
    • Patent number D622416
    • Issue date Aug 24, 2010
    • Westblock Systems, Inc.
    • James E. Hammer
    • D25 - Building units and construction elements
  • Information Patent Grant

    Portion of a retaining block
    • Patent number D615668
    • Issue date May 11, 2010
    • Westblock Systems, Inc.
    • James Hammer
    • D25 - Building units and construction elements
  • Information Patent Grant

    Portion of retaining block
    • Patent number D611168
    • Issue date Mar 2, 2010
    • Westblock Systems, Inc.
    • James Hammer
    • D25 - Building units and construction elements
  • Information Patent Grant

    Retaining block
    • Patent number D611165
    • Issue date Mar 2, 2010
    • Westblock Systems, Inc.
    • James Hammer
    • D25 - Building units and construction elements
  • Information Patent Grant

    Retaining block
    • Patent number D611166
    • Issue date Mar 2, 2010
    • Westblock Systems, Inc.
    • James Hammer
    • D25 - Building units and construction elements
  • Information Patent Grant

    Portion of retaining block
    • Patent number D611167
    • Issue date Mar 2, 2010
    • Westblock Systems, Inc.
    • James Hammer
    • D25 - Building units and construction elements
  • Information Patent Grant

    Portion of retaining block
    • Patent number D610712
    • Issue date Feb 23, 2010
    • Westblock Systems, Inc.
    • James Hammer
    • D25 - Building units and construction elements
  • Information Patent Grant

    Retaining block
    • Patent number D610713
    • Issue date Feb 23, 2010
    • Westblock Systems, Inc.
    • James Hammer
    • D25 - Building units and construction elements
  • Information Patent Grant

    Insert for mold for forming concrete blocks
    • Patent number D610268
    • Issue date Feb 16, 2010
    • Westblock Systems, Inc.
    • James E. Hammer
    • D25 - Building units and construction elements
  • Information Patent Grant

    Wall block
    • Patent number D608462
    • Issue date Jan 19, 2010
    • Westblock Systems, Inc.
    • James Hammer
    • D25 - Building units and construction elements
  • Information Patent Grant

    Wall block, system and mold for making the same
    • Patent number 7,591,447
    • Issue date Sep 22, 2009
    • Westblock Systems, Inc.
    • James Hammer
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Wall block
    • Patent number D595868
    • Issue date Jul 7, 2009
    • Westblock Systems, Inc.
    • James Hammer
    • D25 - Building units and construction elements
  • Information Patent Grant

    Insert for mold for forming concrete blocks
    • Patent number D595867
    • Issue date Jul 7, 2009
    • Westblock Systems, Inc.
    • James E. Hammer
    • D25 - Building units and construction elements
  • Information Patent Grant

    Reinforced retaining wall and method of construction
    • Patent number 7,503,729
    • Issue date Mar 17, 2009
    • Westblock Systems, Inc.
    • James Hammer
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Wall block
    • Patent number D575413
    • Issue date Aug 19, 2008
    • Westblock Systems, Inc.
    • James Hammer
    • D25 - Building units and construction elements
  • Information Patent Grant

    Wall block, system and method
    • Patent number 7,328,537
    • Issue date Feb 12, 2008
    • Westblock Systems, Inc.
    • James Hammer
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Wall block
    • Patent number D532119
    • Issue date Nov 14, 2006
    • Westblock Systems, Inc.
    • James Hammer
    • D25 - Building units and construction elements
  • Information Patent Grant

    Apparatus and methods for making a masonry block with a roughened s...
    • Patent number 7,100,886
    • Issue date Sep 5, 2006
    • Westblock Systems, Inc.
    • James Hammer
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Wall block
    • Patent number D514233
    • Issue date Jan 31, 2006
    • Westblock Systems, Inc.
    • James Hammer
    • D25 - Building units and construction elements
  • Information Patent Grant

    Interlocking retaining walls blocks and system
    • Patent number 5,688,078
    • Issue date Nov 18, 1997
    • Westblock Products, Inc.
    • James Hammer
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Interlocking retaining walls blocks and system
    • Patent number 5,350,256
    • Issue date Sep 27, 1994
    • Westblock Products, Inc.
    • James Hammer
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents