TREA

Richard A. Perkins

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  • Newark, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for protecting the heating electrodes of glass melting furnaces
    • Patent number 4,638,491
    • Issue date Jan 20, 1987
    • Owens-Corning Fiberglas Corporation
    • Richard A. Perkins
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Protection device for basalt drain bushings
    • Patent number 4,565,559
    • Issue date Jan 21, 1986
    • Owens-Corning Fiberglas Corporation
    • Richard A. Perkins
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Drain bushing
    • Patent number 4,536,202
    • Issue date Aug 20, 1985
    • Owens-Corning Fiberglas Corporation
    • Richard A. Perkins
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Drain bushing
    • Patent number 4,518,406
    • Issue date May 21, 1985
    • Owens-Corning Fiberglas Corporation
    • Richard A. Perkins
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Method for protecting forming bushings
    • Patent number 4,438,518
    • Issue date Mar 20, 1984
    • Owens-Corning Fiberglas Corporation
    • David J. Gaul
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...