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Yi LIU

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  • Dalian, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Dry sprinkler
    • Patent number 11,389,679
    • Issue date Jul 19, 2022
    • Victaulic Company
    • Richard A. Bucher
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Grant

    Dry sprinkler
    • Patent number 10,449,402
    • Issue date Oct 22, 2019
    • Victaulic Company
    • Richard A. Bucher
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Grant

    Dry sprinkler
    • Patent number 9,415,250
    • Issue date Aug 16, 2016
    • Victaulic Company
    • Richard A. Bucher
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Grant

    Dry sprinkler
    • Patent number 9,345,918
    • Issue date May 24, 2016
    • Victaulic Company
    • Richard A. Bucher
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Grant

    Bracket
    • Patent number 9,278,238
    • Issue date Mar 8, 2016
    • Victaulic Company
    • Lawrence W. Thau
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    DRY SPRINKLER
    • Publication number 20220347505
    • Publication date Nov 3, 2022
    • Victaulic Company
    • Richard A. BUCHER
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Application

    DRY SPRINKLER
    • Publication number 20200023217
    • Publication date Jan 23, 2020
    • Victaulic Company
    • Richard A. BUCHER
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Application

    DRY SPRINKLER
    • Publication number 20160175630
    • Publication date Jun 23, 2016
    • Victaulic Company
    • Richard A. BUCHER
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Application

    DRY SPRINKLER
    • Publication number 20150075821
    • Publication date Mar 19, 2015
    • Victaulic Company
    • Richard A. BUCHER
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Application

    DRY SPRINKLER
    • Publication number 20140174768
    • Publication date Jun 26, 2014
    • Richard A. Bucher
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Application

    Bracket
    • Publication number 20130048822
    • Publication date Feb 28, 2013
    • Victaulic Company
    • Yi Liu
    • A62 - LIFE-SAVING FIRE-FIGHTING