Patents by Inventor Paul R. HENNEN

Paul R. HENNEN 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).

  • Fuel filter with coalescer
    Patent number: 12036487
    Abstract: A filter element, for use filtering liquids such as fuel, includes a first section of filter media, an optional layer of coalescer media, and a section of barrier media. The first section and optional coalescer filter media are held between opposite first and second end caps. The second end cap is integrated with the barrier filter media. The barrier media extends at least part way into an interior of the first section and can be conical in shape.
    Type: Grant
    Filed: February 6, 2023
    Date of Patent: July 16, 2024
    Assignee: Donaldson Company, Inc.
    Inventors: Scott A. Betcher, Kenneth P. Skaja, Paul R. Hennen, Gwenolé Stouthuysen, Brian Tucker, David B. Harder
  • FUEL FILTER WITH COALESCER
    Publication number: 20230173413
    Abstract: A filter element, for use filtering liquids such as fuel, includes a first section of filter media, an optional layer of coalescer media, and a section of barrier media. The first section and optional coalescer filter media are held between opposite first and second end caps. The second end cap is integrated with the barrier filter media. The barrier media extends at least part way into an interior of the first section and can be conical in shape.
    Type: Application
    Filed: February 6, 2023
    Publication date: June 8, 2023
    Inventors: Scott A. BETCHER, Kenneth P. SKAJA, Paul R. HENNEN, Gwenolé STOUTHUYSEN, Brian TUCKER, David B. HARDER
  • Fuel filter with coalescer
    Patent number: 11571641
    Abstract: A filter element, for use filtering liquids such as fuel, includes a first section of filter media, an optional layer of coalescer media, and a section of barrier media. The first section and optional coalescer filter media are held between opposite first and second end caps. The second end cap is integrated with the barrier filter media. The barrier media extends at least part way into an interior of the first section and can be conical in shape.
    Type: Grant
    Filed: March 8, 2019
    Date of Patent: February 7, 2023
    Assignee: Donaldson Company, Inc.
    Inventors: Scott A. Betcher, Kenneth P. Skaja, Paul R. Hennen, Gwenolé Stouthuysen, Brian Tucker, David B. Harder
  • FUEL FILTER WITH COALESCER
    Publication number: 20200406169
    Abstract: A filter element, for use filtering liquids such as fuel, includes a first section of filter media, an optional layer of coalescer media, and a section of barrier media. The first section and optional coalescer filter media are held between opposite first and second end caps. The second end cap is integrated with the barrier filter media. The barrier media extends at least part way into an interior of the first section and can be conical in shape.
    Type: Application
    Filed: March 8, 2019
    Publication date: December 31, 2020
    Applicant: Donaldson Company, Inc.
    Inventors: Scott A. BETCHER, Kenneth P. SKAJA, Paul R. HENNEN, Gwenolé STOUTHUYSEN, Brian TUCKER, David B. HARDER