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Siqiang Zhu

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  • Christiansburg, VA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Surface modified filter media
    • Patent number 11,266,941
    • Issue date Mar 8, 2022
    • Hollingsworth & Vose Company
    • Sneha Swaminathan
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Pre-coalescing multi-layered filter media
    • Patent number 11,090,590
    • Issue date Aug 17, 2021
    • Hollingsworth & Vose Company
    • Máté Nagy
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filter media including a waved filtration layer
    • Patent number 10,561,972
    • Issue date Feb 18, 2020
    • Hollingsworth & Vose Company
    • Bruce Smith
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Grant

    Surface modified filter media
    • Patent number 10,399,024
    • Issue date Sep 3, 2019
    • Hollingsworth & Vose Company
    • Sneha Swaminathan
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Pre-coalescing multi-layered filter media
    • Patent number 10,279,291
    • Issue date May 7, 2019
    • Hollingsworth & Vose Company
    • Máté Nagy
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Pre-coalescing multi-layered filter media
    • Patent number 9,149,749
    • Issue date Oct 6, 2015
    • Hollingsworth & Vose Company
    • Máté Nagy
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    HIGH PERFORMANCE FILTER MEDIA
    • Publication number 20240207764
    • Publication date Jun 27, 2024
    • Hollingsworth & Vose Company
    • Siqiang Zhu
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    HIGH EFFICIENCY FILTER MEDIA
    • Publication number 20230330585
    • Publication date Oct 19, 2023
    • Hollingsworth & Vose Company
    • Amsarani Ramamoorthy
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    SURFACE MODIFIED FILTER MEDIA
    • Publication number 20220249997
    • Publication date Aug 11, 2022
    • Hollingsworth & Vose Company
    • Sneha Swaminathan
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    PRE-COALESCING MULTI-LAYERED FILTER MEDIA
    • Publication number 20220001316
    • Publication date Jan 6, 2022
    • Hollingsworth & Vose Company
    • Máté Nagy
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    FILTER MEDIA INCLUDING A WAVED FILTRATION LAYER
    • Publication number 20200391148
    • Publication date Dec 17, 2020
    • Hollingsworth & Vose Company
    • Bruce Smith
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    SURFACE MODIFIED FILTER MEDIA
    • Publication number 20200009488
    • Publication date Jan 9, 2020
    • Hollingsworth & Vose Company
    • Sneha Swaminathan
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    PRE-COALESCING MULTI-LAYERED FILTER MEDIA
    • Publication number 20190314747
    • Publication date Oct 17, 2019
    • Hollingsworth & Vose Company
    • Máté Nagy
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    MULTI-LAYERED ELECTRET-CONTAINING FILTRATION MEDIA
    • Publication number 20180001244
    • Publication date Jan 4, 2018
    • Hollingsworth & Vose Company
    • Siqiang Zhu
    • A41 - WEARING APPAREL
  • Information Patent Application

    FILTER MEDIA INCLUDING A WAVED FILTRATION LAYER
    • Publication number 20170312673
    • Publication date Nov 2, 2017
    • Hollingsworth & Vose Company
    • Bruce Smith
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    SURFACE MODIFIED FILTER MEDIA
    • Publication number 20160136554
    • Publication date May 19, 2016
    • Hollingsworth & Vose Company
    • Sneha Swaminathan
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    PRE-COALESCING MULTI-LAYERED FILTER MEDIA
    • Publication number 20160059167
    • Publication date Mar 3, 2016
    • Hollingsworth & Vose Company
    • Máté Nagy
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    PRE-COALESCING MULTI-LAYERED FILTER MEDIA
    • Publication number 20140331626
    • Publication date Nov 13, 2014
    • Hollingsworth & Vose Company
    • Máté Nagy
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL