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William S. Freeman

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  • Roanoke, VA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Fine fiber filter media and processes
    • Patent number 11,458,427
    • Issue date Oct 4, 2022
    • Hollingsworth & Vose Company
    • Stephen T. Cox
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Fine fiber filter media and processes
    • Patent number 10,874,962
    • Issue date Dec 29, 2020
    • Hollingsworth & Vose Company
    • Stephen T. Cox
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Fine fiber filter media and processes
    • Patent number 10,653,986
    • Issue date May 19, 2020
    • Hollingsworth & Vose Company
    • Stephen T. Cox
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Fine fiber filter media and processes
    • Patent number 10,155,186
    • Issue date Dec 18, 2018
    • Hollingsworth & Vose Company
    • Stephen T. Cox
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Filter media including polymer compositions and blends
    • Patent number 9,694,306
    • Issue date Jul 4, 2017
    • Hollingsworth & Vose Company
    • Nagendra Anantharamaiah
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Meltblown filter medium, related applications and uses
    • Patent number 8,986,432
    • Issue date Mar 24, 2015
    • Hollingsworth & Vose Company
    • John A. Wertz
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Meltblown filter medium
    • Patent number 8,608,817
    • Issue date Dec 17, 2013
    • Hollingsworth & Vose Company
    • John A. Wertz
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    FINE FIBER FILTER MEDIA AND PROCESSES
    • Publication number 20210129061
    • Publication date May 6, 2021
    • Hollingsworth & Vose Company
    • Stephen T. Cox
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    FINE FIBER FILTER MEDIA AND PROCESSES
    • Publication number 20190126177
    • Publication date May 2, 2019
    • Hollingsworth & Vose Company
    • Stephen T. Cox
    • D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
  • Information Patent Application

    FINE FIBER FILTER MEDIA AND PROCESSES
    • Publication number 20160158677
    • Publication date Jun 9, 2016
    • Hollingsworth & Vose Company
    • Stephen T. Cox
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Filter Media Including Polymer Compositions and Blends
    • Publication number 20140346107
    • Publication date Nov 27, 2014
    • Hollingsworth & Vose Company
    • Nagendra Anantharamaiah
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    FINE FIBER FILTER MEDIA AND PROCESSES
    • Publication number 20120318754
    • Publication date Dec 20, 2012
    • Hollingsworth & Vose Company
    • Stephen T. Cox
    • B32 - LAYERED PRODUCTS
  • Information Patent Application

    FINE FIBER FILTER MEDIA AND PROCESSES
    • Publication number 20120152821
    • Publication date Jun 21, 2012
    • Hollingsworth & Vose Company
    • Stephen T. Cox
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    FINE FIBER FILTER MEDIA AND PROCESSES
    • Publication number 20120152824
    • Publication date Jun 21, 2012
    • Hollingsworth & Vose Company
    • Stephen T. Cox
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    MELTBLOWN FILTER MEDIUM
    • Publication number 20110147976
    • Publication date Jun 23, 2011
    • Hollingsworth & Vose Company
    • John A. Wertz
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    MELTBLOWN FILTER MEDIUM, RELATED APPLICATIONS AND USES
    • Publication number 20100000411
    • Publication date Jan 7, 2010
    • Hollingsworth & Vose Company
    • John A. Wertz
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Meltblown Filter Medium
    • Publication number 20090120048
    • Publication date May 14, 2009
    • Hollingsworth & Vose Company
    • John A. Wertz
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL