Patents by Inventor Mark Rowlands

Mark Rowlands 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).

  • Publication number: 20250281860
    Abstract: Filter media including out-of-plane solid elements are generally described. Inventive methods of forming them and uses thereof are also described.
    Type: Application
    Filed: May 27, 2025
    Publication date: September 11, 2025
    Applicant: Hollingsworth & Vose Company
    Inventors: Mark Rowlands, James M. Witsch, Wei Mu, Stephan Daus
  • Patent number: 12343666
    Abstract: Filter media including out-of-plane solid elements are generally described. Inventive methods of forming them and uses thereof are also described.
    Type: Grant
    Filed: April 7, 2020
    Date of Patent: July 1, 2025
    Assignee: Hollingsworth & Vose Company
    Inventors: Mark Rowlands, James M. Witsch, Wei Mu, Stephan Daus
  • Publication number: 20230051258
    Abstract: Filter media comprising non-woven fiber webs having one or more advantageous physical properties are generally described. In some embodiments, a filter media and/or non-woven fiber web described herein comprises a combination of fibers that results in enhanced physical properties. For example, the non-woven fiber web may comprise a combination of fiber types that is advantageous, such as a combination comprising fibrillated fibers, glass fibers, and/or binder fibers. In some cases, the filter media and/or non-woven fiber web comprising the combination of fibers may be formed into undulations (e.g., by a creping and/or microcreping process) to further enhance the physical properties of the filter media and/or non-woven fiber.
    Type: Application
    Filed: June 22, 2022
    Publication date: February 16, 2023
    Applicant: Hollingsworth & Vose Company
    Inventors: Sudhakar Jaganathan, Xinquan Cheng, Howard Yu, Leilei Luo, Zhiping Jiang, Yu Liu, Mark Rowlands, Wei Mu, James M. Witsch, Stephan Daus
  • Publication number: 20210308609
    Abstract: Filter media including out-of-plane solid elements are generally described. Inventive methods of forming them and uses thereof are also described.
    Type: Application
    Filed: April 7, 2020
    Publication date: October 7, 2021
    Applicant: Hollingsworth & Vose Company
    Inventors: Mark Rowlands, James M. Witsch, Wei Mu, Stephan Daus
  • Patent number: 8986432
    Abstract: Filter media, as well as related assemblies, systems and methods. Filter media may contain one or more layers formed of a meltblown material.
    Type: Grant
    Filed: July 1, 2009
    Date of Patent: March 24, 2015
    Assignee: Hollingsworth & Vose Company
    Inventors: John A. Wertz, David T. Healey, William S. Freeman, John L. Manns, Mark Rowlands
  • Patent number: 8608817
    Abstract: Filter media, as well as related assemblies, systems and methods. Filter media may contain one or more layers formed of a meltblown material.
    Type: Grant
    Filed: November 7, 2008
    Date of Patent: December 17, 2013
    Assignee: Hollingsworth & Vose Company
    Inventors: John A. Wertz, David Thomas Healey, William S. Freeman, John L. Manns, Mark Rowlands
  • Publication number: 20100000411
    Abstract: Filter media, as well as related assemblies, systems and methods. Filter media may contain one or more layers formed of a meltblown material.
    Type: Application
    Filed: July 1, 2009
    Publication date: January 7, 2010
    Applicant: Hollingsworth & Vose Company
    Inventors: John A. Wertz, David T. Healey, William S. Freeman, John L. Manns, Mark Rowlands
  • Publication number: 20090120048
    Abstract: Filter media, as well as related assemblies, systems and methods. Filter media may contain one or more layers formed of a meltblown material.
    Type: Application
    Filed: November 7, 2008
    Publication date: May 14, 2009
    Applicant: HOLLINGSWORTH & VOSE COMPANY
    Inventors: John A. Wertz, David Thomas Healey, William S. Freeman, John L. Manns, Mark Rowlands