Patents by Inventor William P. Hoel

William P. Hoel 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).

  • Molded core component
    Patent number: 5766774
    Abstract: A molded core component includes a center plane piece and at least one wall extending from the center plane piece. The wall preferably includes contours which form a multiplicity of pods, cells, or protrusions integral with the center plane piece. The core component is preferably inserted into the space or void formed by two prefabricated molded fiberboard doorskins, wherein the center plane piece lies substantially in the central plane of the door product. Processes for the production of a molded core component and a composite door product are also disclosed.
    Type: Grant
    Filed: November 1, 1994
    Date of Patent: June 16, 1998
    Assignee: Masonite Corporation
    Inventors: Steven K. Lynch, Mark A. Ruggie, William P. Hoel