TREA

Erwin D. Hernaez

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  • Cypress, TX, US
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    Flow Activated Valve
    • Publication number 20170089175
    • Publication date Mar 30, 2017
    • BAKER HUGHES INCORPORATED
    • James C. Doane
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Disintegrating Agglomerated Sand Frack Plug
    • Publication number 20150211324
    • Publication date Jul 30, 2015
    • BAKER HUGHES INCORPORATED
    • James G. King
    • E21 - EARTH DRILLING MINING