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Longyuan Mei

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  • Lexington, MA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pressure system for liquid chromatography
    • Patent number 11,105,779
    • Issue date Aug 31, 2021
    • Longyuan Mei
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Fluid feeding device
    • Patent number 10,239,744
    • Issue date Mar 26, 2019
    • Longyuan Mei
    • B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...

Patents Applicationslast 30 patents

  • Information Patent Application

    Pressure System for Liquid Chromatography
    • Publication number 20190170709
    • Publication date Jun 6, 2019
    • Longyuan Mei
    • G01 - MEASURING TESTING
  • Information Patent Application

    Fluid Feeding Device
    • Publication number 20170050839
    • Publication date Feb 23, 2017
    • Longyuan Mei
    • B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...