TREA

Andrzej L. Wojcieszynski

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  • Pittsburgh, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Ni-base wear and corrosion resistant alloy
    • Patent number 7,799,271
    • Issue date Sep 21, 2010
    • Compaction & Research Acquisition LLC
    • Andrzej L. Wojcieszynski
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Wear resistant high temperature alloy
    • Patent number 7,651,575
    • Issue date Jan 26, 2010
    • Eaton Corporation
    • Maria K. Sawford
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Cold-work tool steel article
    • Patent number 7,615,123
    • Issue date Nov 10, 2009
    • Crucible Materials Corporation
    • Alojz Kajinic
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Corrosion and wear resistant alloy
    • Patent number 7,288,157
    • Issue date Oct 30, 2007
    • Crucible Materials Corp.
    • Alojz Kajinic
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    High-speed steel article
    • Patent number 6,057,045
    • Issue date May 2, 2000
    • Crucible Materials Corporation
    • Andrzej L. Wojcieszynski
    • B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

  • Information Patent Application

    MARAGING STEEL ARTICLE AND METHOD OF MANUFACTURE
    • Publication number 20120230859
    • Publication date Sep 13, 2012
    • ATI POWDER METALS LLC
    • Joseph F. MUHA
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    Cold-work tool steel article
    • Publication number 20080078475
    • Publication date Apr 3, 2008
    • Crucible Materials Corp.
    • Alojz Kajinic
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    WEAR RESISTANT HIGH TEMPERATURE ALLOY
    • Publication number 20080008617
    • Publication date Jan 10, 2008
    • Maria K. Sawford
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    Ni-BASE WEAR AND CORROSION RESISTANT ALLOY
    • Publication number 20070292304
    • Publication date Dec 20, 2007
    • Crucible Materials Corp.
    • Andrzej L. Wojcieszynski
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    Corrosion and wear resistant alloy
    • Publication number 20070056657
    • Publication date Mar 15, 2007
    • Crucible Materials Corporation
    • Alojz Kajinic
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    Maraging steel article and method of manufacture
    • Publication number 20070053784
    • Publication date Mar 8, 2007
    • Crucible Materials Corp.
    • Joseph F. Muha
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    Corrosion and wear resistant alloy
    • Publication number 20060249230
    • Publication date Nov 9, 2006
    • Crucible Materials Corp.
    • Alojz Kajinic
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...