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Paulo Roberto Leite Nobrega

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  • Sao Vicente, BR
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Patents Grantslast 30 patents

  • Information Patent Grant

    Compact restictive seal for bearing housings
    • Patent number 9,404,584
    • Issue date Aug 2, 2016
    • Petroleo Brasileiro S.A. Petrobras
    • Paulo Roberto Leite Nobrega
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    COMPACT RESTICTIVE SEAL FOR BEARING HOUSINGS
    • Publication number 20140219597
    • Publication date Aug 7, 2014
    • Petroleo Brasileiro S.A. - PETROBRAS
    • Paulo Roberto Leite Nobrega
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Airtight magnetic seal for bearing casings
    • Publication number 20070194536
    • Publication date Aug 23, 2007
    • PETROLEO BRASILEIRO S.A. - PETROBRAS
    • Paulo Roberto Leite Nobrega
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...