Patents by Inventor William E. Widrig

William E. Widrig has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • FILTER MEDIA WITH FIBRILLATED FIBERS
    Publication number: 20200254367
    Abstract: Filter media suitable for various applications (e.g., hydraulic) and related components, systems, and methods associated therewith are described. The filter media may include a fiber web having a mixture of glass fibers and fibers that are fibrillated. The fibrillated fibers, for example, may be formed of lyocell.
    Type: Application
    Filed: November 18, 2019
    Publication date: August 13, 2020
    Applicant: Hollingsworth & Vose Company
    Inventors: Juergen Battenfeld, William E. Widrig, Eszter Nofz
  • Filter media with fibrillated fibers
    Patent number: 10478758
    Abstract: Filter media suitable for various applications (e.g., hydraulic) and related components, systems, and methods associated therewith are described. The filter media may include a fiber web having a mixture of glass fibers and fibers that are fibrillated. The fibrillated fibers, for example, may be formed of lyocell.
    Type: Grant
    Filed: April 13, 2015
    Date of Patent: November 19, 2019
    Assignee: Hollingsworth & Vose Company
    Inventors: Juergen Battenfeld, William E. Widrig, Eszter Nofz
  • FILTER MEDIA WITH FIBRILLATED FIBERS
    Publication number: 20150321124
    Abstract: Filter media suitable for various applications (e.g., hydraulic) and related components, systems, and methods associated therewith are described. The filter media may include a fiber web having a mixture of glass fibers and fibers that are fibrillated. The fibrillated fibers, for example, may be formed of lyocell.
    Type: Application
    Filed: April 13, 2015
    Publication date: November 12, 2015
    Applicant: Hollingsworth & Vose Company
    Inventors: Juergen Battenfeld, William E. Widrig, Eszter Nofz
  • Filter media with fibrillated fibers
    Patent number: 9027765
    Abstract: Filter media suitable for various applications (e.g., hydraulic) and related components, systems, and methods associated therewith are described. The filter media may include a fiber web having a mixture of glass fibers and fibers that are fibrillated. The fibrillated fibers, for example, may be formed of lyocell.
    Type: Grant
    Filed: December 17, 2010
    Date of Patent: May 12, 2015
    Assignee: Hollingsworth & Vose Company
    Inventors: Juergen Battenfeld, William E. Widrig, Eszter Nofz
  • FILTER MEDIA WITH FIBRILLATED FIBERS
    Publication number: 20120152859
    Abstract: Filter media suitable for various applications (e.g., hydraulic) and related components, systems, and methods associated therewith are described. The filter media may include a fiber web having a mixture of glass fibers and fibers that are fibrillated. The fibrillated fibers, for example, may be formed of lyocell.
    Type: Application
    Filed: December 17, 2010
    Publication date: June 21, 2012
    Applicant: Hollingsworth & Vose Company
    Inventors: Juergen Battenfeld, William E. Widrig, Eszter Nofz