TREA

David J. Michael

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  • White Oak, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Refractory brick for steel ladles
    • Patent number 8,030,235
    • Issue date Oct 4, 2011
    • North American Refractories Company
    • Shyam Miglani
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Burned refractories with low soluble chromium
    • Patent number 5,322,827
    • Issue date Jun 21, 1994
    • Indresco, Inc.
    • David J. Michael
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Rebonded fused brick
    • Patent number 4,999,325
    • Issue date Mar 12, 1991
    • David J. Michael
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Magnesite-carbon refractories
    • Patent number 4,957,887
    • Issue date Sep 18, 1990
    • Dresser Industries, Inc.
    • David J. Michael
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Magnesite-carbon refractories
    • Patent number 4,912,068
    • Issue date Mar 27, 1990
    • Dresser Industries, Inc.
    • David J. Michael
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Basic refractory shapes
    • Patent number 4,847,222
    • Issue date Jul 11, 1989
    • Dresser Industries, Inc.
    • Richard J. Knauss
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Chrome-magnesite refractories and method of preparation
    • Patent number 4,574,119
    • Issue date Mar 4, 1986
    • Dresser Industries, Inc.
    • John D. Perry
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Slide Gates
    • Patent number 4,506,022
    • Issue date Mar 19, 1985
    • Dresser Industries, Inc.
    • Dwight S. Whittemore
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Carbon bonded refractory brick
    • Patent number 4,431,744
    • Issue date Feb 14, 1984
    • Dresser Industries, Inc.
    • Mark C. Kernion
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Alumino-silicate refractory brick
    • Patent number 4,391,917
    • Issue date Jul 5, 1983
    • Dresser Industries, Inc.
    • David J. Michael
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

  • Information Patent Application

    REFRACTORY BRICK FOR STEEL LADLES
    • Publication number 20100160142
    • Publication date Jun 24, 2010
    • North American Refractories Company
    • Shyam Miglani
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Application

    REFRACTORY COMPOSITION
    • Publication number 20070213199
    • Publication date Sep 13, 2007
    • Harbison-Walker Refractories Company
    • David J. Michael
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Application

    Refractory composition
    • Publication number 20070213198
    • Publication date Sep 13, 2007
    • Harbison-Walker Refractories Company
    • David J. Michael
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES