TREA

Romeu Venturott Ferreira

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  • Espirito Santo, BR
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Patents Grantslast 30 patents

  • Information Patent Grant

    Liquid or pulp aeration device
    • Patent number 8,770,556
    • Issue date Jul 8, 2014
    • José Antonio Alves e Silva Reis
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

  • Information Patent Application

    LIQUID OR PULP AERATION DEVICE
    • Publication number 20110018148
    • Publication date Jan 27, 2011
    • José Antonio Alves e Silva Reis
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...