TREA

William T. Barrett

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  • Waukesha, WI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Composite rare earth magnet and method for separating ferrous mater...
    • Patent number 6,104,271
    • Issue date Aug 15, 2000
    • Venturedyne Limited
    • William T. Barrett
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Separtor with improved magnet structure
    • Patent number 5,655,664
    • Issue date Aug 12, 1997
    • Venturedyne, Ltd.
    • William T. Barrett
    • B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
  • Information Patent Grant

    Self-cleaning magnetic separator
    • Patent number 5,170,891
    • Issue date Dec 15, 1992
    • Venturedyne Limited
    • William T. Barrett
    • B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
  • Information Patent Grant

    Grate magnet
    • Patent number 4,867,869
    • Issue date Sep 19, 1989
    • Venturedyne, Ltd.
    • William T. Barrett
    • B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
  • Information Patent Grant

    Magnetic refuse separator
    • Patent number 4,738,367
    • Issue date Apr 19, 1988
    • Venturedyne, Ltd.
    • William T. Barrett
    • B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
  • Information Patent Grant

    Magnetic refuse separator
    • Patent number 4,686,034
    • Issue date Aug 11, 1987
    • Wehr Corporation
    • William T. Barrett
    • B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
  • Information Patent Grant

    Heavy material conveyor belt wear protection
    • Patent number 4,428,475
    • Issue date Jan 31, 1984
    • Wehr Corporation
    • William T. Barrett
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Conveyor belt wear protection
    • Patent number 4,008,799
    • Issue date Feb 22, 1977
    • Wehr Corporation
    • William T. Barrett
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Magnetic refuse separator
    • Patent number 3,935,947
    • Issue date Feb 3, 1976
    • Wehr Corporation
    • William T. Barrett
    • B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...