Patents by Inventor Richard Hartzog

Richard Hartzog 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).

  • DOOR WITH COMPRESSIBLE CORRUGATED FIBERBOARD CORE
    Publication number: 20230374848
    Abstract: A door includes a first skin, a second skin, and a core. The core is disposed between the first skin and the second skin in a thickness direction of the door and spans between the first and second skins. The core includes a corrugated medium that is fluted with fluting running back and forth in the thickness direction between the first skin and the second skin as the corrugated medium spans between the first and second skins. The door also includes a compressed section where at least one of the first skin and the second skin is compressed into the core toward the other of the first skin and the second skin in the thickness direction.
    Type: Application
    Filed: January 7, 2022
    Publication date: November 23, 2023
    Applicant: JELD-WEN, Inc.
    Inventors: Richard Hartzog, Pramod Kumar