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Yuchen MA

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  • Shanghai, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Drilling technology utilizing high temperature and low temperature...
    • Patent number 9,338,667
    • Issue date May 10, 2016
    • EMPIRE TECHNOLOGY DEVELOPMENT LLC
    • Yuchen Ma
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Methods and systems for detecting or collecting particles
    • Patent number 8,809,766
    • Issue date Aug 19, 2014
    • EMPIRE TECHNOLOGY DEVELOPMENT LLC
    • Yuchen Ma
    • B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
  • Information Patent Grant

    Paver
    • Patent number 8,662,789
    • Issue date Mar 4, 2014
    • EMPIRE TECHNOLOGY DEVELOPMENT LLC
    • Yuchen Ma
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Self-cleaning electret filter
    • Patent number 8,597,405
    • Issue date Dec 3, 2013
    • EMPIRE TECHNOLOGY DEVELOPMENT LLC
    • Yuchen Ma
    • B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
  • Information Patent Grant

    Paver
    • Patent number 8,579,543
    • Issue date Nov 12, 2013
    • EMPIRE TECHNOLOGY DEVELOPMENT LLC
    • Yuchen Ma
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents

  • Information Patent Application

    PAVER
    • Publication number 20140030019
    • Publication date Jan 30, 2014
    • EMPIRE TECHNOLOGY DEVELOPMENT LLC
    • Yuchen MA
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Application

    DRILLING TECHNOLOGY
    • Publication number 20140008124
    • Publication date Jan 9, 2014
    • EMPIRE TECHNOLOGY DEVELOPMENT LLC
    • Yuchen Ma
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    METHODS AND SYSTEMS FOR DETECTING OR COLLECTING PARTICLES
    • Publication number 20130240752
    • Publication date Sep 19, 2013
    • Empire Technology Development LLC
    • Yuchen Ma
    • B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
  • Information Patent Application

    Self-Cleaning Electret Filter
    • Publication number 20130047846
    • Publication date Feb 28, 2013
    • Empire Technology Development LLC
    • Yuchen Ma
    • B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
  • Information Patent Application

    PAVER
    • Publication number 20120107046
    • Publication date May 3, 2012
    • Yuchen Ma
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES