TREA

William J. Schumacher

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  • Monroe, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Martensitic stainless steel
    • Patent number 5,089,067
    • Issue date Feb 18, 1992
    • Armco Inc.
    • William J. Schumacher
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Austenitic stainless steel with improved castability
    • Patent number 4,946,644
    • Issue date Aug 7, 1990
    • Baltimore Specialty Steels Corporation
    • William J. Schumacher
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Galling and wear resistant steel alloy
    • Patent number 4,494,988
    • Issue date Jan 22, 1985
    • Armco Inc.
    • William J. Schumacher
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Galling resistant austenitic stainless steel powder product
    • Patent number 4,220,689
    • Issue date Sep 2, 1980
    • Armco Inc.
    • William J. Schumacher
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Galling resistant austenitic stainless steel
    • Patent number 4,146,412
    • Issue date Mar 27, 1979
    • Armco Steel Corporation
    • William J. Schumacher
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Galling resistant austenitic stainless steel
    • Patent number 4,099,967
    • Issue date Jul 11, 1978
    • Armco Steel Corporation
    • William J. Schumacher
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Galling resistant austenitic stainless steel
    • Patent number 4,039,356
    • Issue date Aug 2, 1977
    • William J. Schumacher
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...