Patents by Inventor Fred L. Hrdlicka

Fred L. Hrdlicka 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).

  • Patent number: 6276526
    Abstract: An edge protector for a fenestration product is integrally formed of a single sheet of corrugated paperboard that has been perforated, slit, scored, glued, and folded in a particular manner so as to be generally flat in overall configuration prior to being placed in use. At the time of installation, the protector is partially unfolded out of its flat plane to assume an overall generally transversely L-shaped configuration, having a pair of legs intersecting one another at right angles to form a receiving corner for the face and side margins of the product. One leg of the protector forms a flap that covers a marginal portion of the face of the product when the protector is fitted onto the product, while the other leg forms a second flap that covers a marginal portion of the sides of the product.
    Type: Grant
    Filed: September 13, 1999
    Date of Patent: August 21, 2001
    Assignee: Pella Corporation
    Inventors: Scot C. Miller, Jeffrey S. Wetter, Fred L. Hrdlicka
  • Patent number: 5339583
    Abstract: A single or double glazing panel is received in a groove in a wood sash frame. The glazing panel carries on it a bead of butyl sealant along the exterior face adjacent the peripheral edge while a bead of silicone adhesive is placed on the peripheral edge or in the bottom of the groove. Insertion of the panel into the groove causes the sealant to roll and flow along the exterior wall of the groove and along the exterior face of the glazing panel such that no cleanup after assembly is required. Adhesive is prevented from contacting viewable areas of the glazing thereby avoiding cleanup. Cladding may be placed over the exterior of the wood sash frame covering the sealant and space in which it is contained.
    Type: Grant
    Filed: January 17, 1992
    Date of Patent: August 23, 1994
    Assignee: Pella Corporation
    Inventors: Fred L. Hrdlicka, Gary R. Newman, Mearl J. Minter