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Yingsong LI

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  • Beijing, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Magnetic liquid sealing device
    • Patent number 11,525,514
    • Issue date Dec 13, 2022
    • Tsinghua University
    • Decai Li
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Magnetic liquid sealing device
    • Patent number 11,466,780
    • Issue date Oct 11, 2022
    • Tsinghua University
    • Decai Li
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    MAGNETIC LIQUID SEALING DEVICE
    • Publication number 20220221061
    • Publication date Jul 14, 2022
    • TSINGHUA UNIVERSITY
    • Decai LI
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    MAGNETIC LIQUID SEALING DEVICE
    • Publication number 20220205542
    • Publication date Jun 30, 2022
    • TSINGHUA UNIVERSITY
    • Decai LI
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...