TREA

Mihai Ionescu

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  • Houston, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Track guiding system
    • Patent number 9,464,494
    • Issue date Oct 11, 2016
    • National-Oilwell Varco, L.P.
    • Adrian Marica
    • B61 - RAILWAYS
  • Information Patent Grant

    Self-locking top drive guide system
    • Patent number 9,074,421
    • Issue date Jul 7, 2015
    • National-Oilwell Varco, L.P.
    • Adrian Marica
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Track guiding system
    • Patent number 8,424,616
    • Issue date Apr 23, 2013
    • National-Oilwell Varco, L.P.
    • Adrian Marica
    • B61 - RAILWAYS

Patents Applicationslast 30 patents

  • Information Patent Application

    SELF-LOCKING TOP DRIVE GUIDE SYSTEM
    • Publication number 20140097027
    • Publication date Apr 10, 2014
    • NATIONAL OILWELL VARCO LLP
    • Adrian MARICA
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    TRACK GUIDING SYSTEM
    • Publication number 20130220703
    • Publication date Aug 29, 2013
    • National-Oilwell Varco, L.P.
    • Adrian Marica
    • B61 - RAILWAYS
  • Information Patent Application

    TRACK GUIDING SYSTEM
    • Publication number 20110203820
    • Publication date Aug 25, 2011
    • Adrian Marica
    • B61 - RAILWAYS