Patents by Inventor John Robert Duvall

John Robert Duvall 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 HAVING ANGLED EMBOSSMENTS
    Publication number: 20250010232
    Abstract: A pleated filter media configured to receive a stream of fluid flowing in a first direction is provided. The pleated filter media includes a first filter media panel and a second filter media panel coupled to the first filter media panel at a first pleat extending in a second direction transverse to the first direction. The pleated filter media also includes a first embossment disposed on the first filter media panel and the second filter media panel. The first embossment extends in a third direction transverse to the first direction and the second direction.
    Type: Application
    Filed: September 19, 2024
    Publication date: January 9, 2025
    Inventors: John Robert DUVALL, James Michael GLAZEWSKI
  • Filter media having angled embossments
    Patent number: 12102949
    Abstract: A pleated filter media configured to receive a stream of fluid flowing in a first direction is provided. The pleated filter media includes a first filter media panel and a second filter media panel coupled to the first filter media panel at a first pleat extending in a second direction transverse to the first direction. The pleated filter media also includes a first embossment disposed on the first filter media panel and the second filter media panel. The first embossment extends in a third direction transverse to the first direction and the second direction.
    Type: Grant
    Filed: June 18, 2019
    Date of Patent: October 1, 2024
    Assignee: MANN+HUMMEL Filtration Technology US LLC
    Inventors: John Robert Duvall, James Michael Glazewski
  • Filter Media Having Angled Embossments
    Publication number: 20200398202
    Abstract: A pleated filter media configured to receive a stream of fluid flowing in a first direction is provided. The pleated filter media includes a first filter media panel and a second filter media panel coupled to the first filter media panel at a first pleat extending in a second direction transverse to the first direction. The pleated filter media also includes a first embossment disposed on the first filter media panel and the second filter media panel. The first embossment extends in a third direction transverse to the first direction and the second direction.
    Type: Application
    Filed: June 18, 2019
    Publication date: December 24, 2020
    Inventors: John Robert Duvall, James Michael Glazewski