TREA

David E. Hall

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  • Sudbury, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Conversion of non-ferrous sulfides
    • Patent number 5,281,252
    • Issue date Jan 25, 1994
    • Inco Limited
    • Carlos; A. Landolt
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Conversion of non-ferrous matte
    • Patent number 5,215,571
    • Issue date Jun 1, 1993
    • Inco Limited
    • Samuel W. Marcuson
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Tuyere injector
    • Patent number 5,173,245
    • Issue date Dec 22, 1992
    • Inco Limited
    • David E. Hall
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

  • Information Patent Application

    Method for refining non-ferrous metal
    • Publication number 20070175298
    • Publication date Aug 2, 2007
    • Adrian Deneys
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...