TREA

David Y. Du

Follow

Person

  • Houston, TX, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Pipelaying
    • Patent number 10,544,880
    • Issue date Jan 28, 2020
    • Subsea 7 Limited
    • David Du
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pipelaying
    • Patent number 9,909,689
    • Issue date Mar 6, 2018
    • Subsea 7 Limited
    • David Du
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Pipelaying
    • Publication number 20180195642
    • Publication date Jul 12, 2018
    • Subsea 7 Limited
    • David Du
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Pipelaying
    • Publication number 20160025240
    • Publication date Jan 28, 2016
    • SUBSEA 7 LIMITED
    • David Du
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    EXPLOSIVE PILE DEVICE FOR INCREASING PILE CAPACITY
    • Publication number 20150284926
    • Publication date Oct 8, 2015
    • David Y. Du
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING