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Yafeng Liu

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  • Peoria, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Ion-based triple sensor
    • Patent number 8,069,709
    • Issue date Dec 6, 2011
    • Caterpillar Inc.
    • Yafeng Liu
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Ion-based triple sensor
    • Patent number 7,624,627
    • Issue date Dec 1, 2009
    • Caterpillar Inc.
    • Yafeng Liu
    • G01 - MEASURING TESTING

Patents Applicationslast 30 patents

  • Information Patent Application

    ION-BASED TRIPLE SENSOR
    • Publication number 20100023277
    • Publication date Jan 28, 2010
    • Caterpillar Inc.
    • Yafeng Liu
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Ion-based triple sensor
    • Publication number 20090126461
    • Publication date May 21, 2009
    • Caterpillar Inc.
    • Yafeng Liu
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES