TREA

Malcolm E. Washburn

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  • Princeton, MA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Refractory electrical device
    • Patent number 5,085,804
    • Issue date Feb 4, 1992
    • Norton Company
    • Malcolm E. Washburn
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Refractory electrical device
    • Patent number 5,045,237
    • Issue date Sep 3, 1991
    • Norton Company
    • Malcolm E. Washburn
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    High strength nitride bonded silicon carbide refractories
    • Patent number 4,937,211
    • Issue date Jun 26, 1990
    • Norton Company
    • Malcolm E. Washburn
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Refractory bodies for corrosive environments
    • Patent number 4,483,932
    • Issue date Nov 20, 1984
    • Norton Company
    • Malcolm E. Washburn
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Refractory cement
    • Patent number 4,476,234
    • Issue date Oct 9, 1984
    • Norton Company
    • Cecil M. Jones
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    High density silicon oxynitride
    • Patent number 4,331,771
    • Issue date May 25, 1982
    • Norton Company
    • Malcolm E. Washburn
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Reaction bonded silicon nitride
    • Patent number 4,127,630
    • Issue date Nov 28, 1978
    • Norton Company
    • Malcolm E. Washburn
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Porous silicon oxynitride refractory shapes
    • Patent number 4,069,058
    • Issue date Jan 17, 1978
    • Norton Company
    • Malcolm E. Washburn
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Lightweight silicon oxynitride
    • Patent number 4,043,823
    • Issue date Aug 23, 1977
    • Norton Company
    • Malcolm E. Washburn
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR