Patents by Inventor Elizabeth Woytach

Elizabeth Woytach 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: 20230173412
    Abstract: A filtration system includes a filter housing having a cavity and a base, a drain defined in the base, a channel defined in the base and in fluid communication with the drain, and a filter cartridge having a longitudinal axis and being movable between an installed position within the cavity of the filter housing and an uninstalled position outside the cavity of the filter housing. The channel defines an outer diameter. The filter cartridge includes a bottom endplate defining an outer diameter that is greater than the outer diameter of the channel so that, in the installed position, the bottom endplate covers the channel and prevents fluid flow from the cavity to the drain, and a filter media extending axially outwardly from the bottom endplate.
    Type: Application
    Filed: February 6, 2023
    Publication date: June 8, 2023
    Applicant: BRIGGS & STRATTON, LLC
    Inventors: Elizabeth Woytach, Bryce Metcalf, Randall Ammentorp, Chris Martinek, Rodney Balzar, Glen Stroik
  • Patent number: 11571640
    Abstract: A filtration system includes a filter housing and a filter cartridge. The filter housing includes a base and a cover removably coupled to the base. The cover includes a retainer. The filter cartridge has a longitudinal axis and is movable between an installed position within the filter housing and an uninstalled position outside the filter housing. The filter cartridge includes a top endplate including at least one protrusion extending upwardly away from the top endplate. The protrusion includes a tab extending radially outward from the protrusion that is structured to interact with the retainer to removably couple the filter cartridge to the cover. The filter cartridge further includes a bottom endplate and a filter media extending axially between the top endplate and the bottom endplate.
    Type: Grant
    Filed: July 23, 2020
    Date of Patent: February 7, 2023
    Assignee: Briggs & Stratton, LLC
    Inventors: Elizabeth Woytach, Bryce Metcalf, Randall Ammentorp, Chris Martinek, Rodney Balzar, Glen Stroik
  • Publication number: 20210023480
    Abstract: A filtration system includes a filter housing and a filter cartridge. The filter housing includes a base and a cover removably coupled to the base. The cover includes a retainer. The filter cartridge has a longitudinal axis and is movable between an installed position within the filter housing and an uninstalled position outside the filter housing. The filter cartridge includes a top endplate including at least one protrusion extending upwardly away from the top endplate. The protrusion includes a tab extending radially outward from the protrusion that is structured to interact with the retainer to removably couple the filter cartridge to the cover. The filter cartridge further includes a bottom endplate and a filter media extending axially between the top endplate and the bottom endplate.
    Type: Application
    Filed: July 23, 2020
    Publication date: January 28, 2021
    Inventors: Elizabeth Woytach, Bryce Metcalf, Randall Ammentorp, Chris Martinek, Rodney Balzar, Glen Stroik
  • Patent number: D920470
    Type: Grant
    Filed: July 22, 2020
    Date of Patent: May 25, 2021
    Assignee: Briggs & Stratton, LLC
    Inventors: Elizabeth Woytach, Bryce Metcalf, Randall Ammentorp
  • Patent number: D990645
    Type: Grant
    Filed: April 23, 2021
    Date of Patent: June 27, 2023
    Assignee: Briggs & Stratton, LLC
    Inventors: Elizabeth Woytach, Bryce Metcalf, Randall Ammentorp