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Ronald L. Barrett

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  • Fenelton, PA, US
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    REFRACTORY COMPONENT FOR LINING A METALLURGICAL VESSEL
    • Publication number 20170304892
    • Publication date Oct 26, 2017
    • NORTH AMERICAN REFRACTORIES COMPANY
    • Ronald L. Barrett
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Application

    REFRACTORY COMPONENT FOR LINING A METALLURGICAL VESSEL
    • Publication number 20160039002
    • Publication date Feb 11, 2016
    • NORTH AMERICAN REFRACTORIES COMPANY
    • Ronald L. Barrett
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Application

    REFRACTORY COMPONENT FOR LINING A METALLURGICAL VESSEL
    • Publication number 20150360915
    • Publication date Dec 17, 2015
    • NORTH AMERICAN REFRACTORIES COMPANY
    • Ronald L. Barrett
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Application

    REFRACTORY COMPONENT FOR LINING A METALLURGICAL VESSEL
    • Publication number 20150321251
    • Publication date Nov 12, 2015
    • NORTH AMERICAN REFRACTORIES COMPANY
    • Ronald L. Barrett
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Application

    REFRACTORY COMPONENT FOR LINING A METALLURGICAL VESSEL
    • Publication number 20150069678
    • Publication date Mar 12, 2015
    • NORTH AMERICAN REFRACTORIES COMPANY
    • Ronald L. Barrett
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Application

    HIGH YIELD LADLE BOTTOMS
    • Publication number 20120126467
    • Publication date May 24, 2012
    • North American Refractories Co.
    • Ronald Barrett
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Application

    HIGH YIELD LADLE BOTTOMS
    • Publication number 20090206528
    • Publication date Aug 20, 2009
    • North American Refractories Co.
    • Ronald Barrett
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Application

    REFRACTORY COMPONENT WITH LOCKING SURFACE AND METHOD OF FORMING THE...
    • Publication number 20090191423
    • Publication date Jul 30, 2009
    • North American Refractories Co.
    • Ronald L. Barrett
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Application

    IMPACT PAD
    • Publication number 20090050285
    • Publication date Feb 26, 2009
    • North American Refractories Company
    • Ronald Barrett
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Application

    INSULATING REFRACTORY LINING
    • Publication number 20090020926
    • Publication date Jan 22, 2009
    • North American Refractories Co.
    • Ronald L. Barrett
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Application

    INSULATING REFRACTORY LINING
    • Publication number 20090020927
    • Publication date Jan 22, 2009
    • North American Refractories Co.
    • Ronald L. Barrett
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Application

    Impact pad for metallurgical vessels
    • Publication number 20070132162
    • Publication date Jun 14, 2007
    • North American Refractories Co.
    • Ronald Barrett
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Application

    Injection lance
    • Publication number 20050110202
    • Publication date May 26, 2005
    • North American Refractories Co.
    • Ronald Barrett
    • C21 - METALLURGY OF IRON
  • Information Patent Application

    Refractory lining for metallurgical vessel
    • Publication number 20040108637
    • Publication date Jun 10, 2004
    • North American Refractories Co.
    • Donald E. Abrino
    • C21 - METALLURGY OF IRON
  • Information Patent Application

    Refractory lining for metallurgical vessel
    • Publication number 20020153645
    • Publication date Oct 24, 2002
    • North American Refractories Co.
    • Donald E. Abrino
    • C21 - METALLURGY OF IRON