TREA

Carlos Aparecido de Oliveira

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  • Rio de Janeiro, BR
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Patents Grantslast 30 patents

  • Information Patent Grant

    Recovery valve
    • Patent number 9,228,396
    • Issue date Jan 5, 2016
    • OneSubsea IP UK Limited
    • Sergio Yamahata
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Recovery valve
    • Patent number 8,925,635
    • Issue date Jan 6, 2015
    • Cameron International Corporation
    • Sergio Yamahata
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    Recovery Valve
    • Publication number 20150083431
    • Publication date Mar 26, 2015
    • OneSubsea, L.L.C
    • Sergio Yamahata
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Recovery Valve
    • Publication number 20130032361
    • Publication date Feb 7, 2013
    • Cameron International Corporation
    • Sergio Yamahata
    • E21 - EARTH DRILLING MINING