Patents by Inventor Douglas C. Larsen

Douglas C. Larsen 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: 5255472
    Abstract: The present invention is a weather seal adapted to be secured on a flange of a vehicle to seal a gap between the flange and a panel member. The weather seal includes retaining members for retaining the weather seal on the flange and a separate trim lip for sealing the gap between the flange and panel member. The weather seal also includes an attachment portion receiving one end of the trim lip to removably secure the trim lip to the weather seal and allow accurate positioning of the trim lip to seal the gap when the weather seal is secured to the flange.
    Type: Grant
    Filed: April 24, 1992
    Date of Patent: October 26, 1993
    Assignee: The Standard Products Company
    Inventors: Douglas C. Larsen, Robert A. Vaughan
  • Patent number: 5207027
    Abstract: A belt weatherstrip which is adapted for engagement over an end flange of a vehicle. The belt weatherstrip includes a one-piece core member which has a backing leg, an intermediate leg and a show surface leg which generally form a U-shaped member having a width which fits over the end flange of a vehicle. An elastomeric coating is extruded onto portions of the core member for providing at least one sealing lip extending from the core member. A plurality of perforations formed in the intermediate leg allow expansion in the width of the perforated leg such that the width of the weatherstrip may be varied along the length of the weatherstrip during forming of the weatherstrip. In accordance with the method steps of the present invention a weatherstrip core blank is first provided and thereafter a plurality of perforations are formed in the blank along a longitudinal portion of the blank.
    Type: Grant
    Filed: September 9, 1991
    Date of Patent: May 4, 1993
    Assignee: Standard Products Company
    Inventor: Douglas C. Larsen
  • Patent number: 5181341
    Abstract: A variable gap sealing article for sealing between a first surface and a second surface has an elongated body portion with a resilient contractible portion and an expandable portion. The article fills a gap between the surfaces by expanding the expandable portion and compressing the contractible portion.
    Type: Grant
    Filed: May 14, 1990
    Date of Patent: January 26, 1993
    Assignee: The Standard Products Company
    Inventors: James F. Keys, Douglas C. Larsen
  • Patent number: 5065562
    Abstract: A sealing and fastening system secures a pair of adjoining panels to a frame structure of a greenhouse. The system includes a coupling having a generally "H" shape and forming a pair of transversely spaced pockets, one edge of each panel being disposed in a corresponding pocket. A fastener operatively engages the coupling and has a wrap adapted to be disposed about a member of the frame structure to secure the coupling to the frame structure.
    Type: Grant
    Filed: January 29, 1990
    Date of Patent: November 19, 1991
    Assignee: The Standard Products Company
    Inventors: Douglas C. Larsen, Robert A. Vaughan
  • Patent number: 5046778
    Abstract: A pillar for a vehicle door. A lightweight pillar having reduced rigidity is prestressed into a curved shape by an internal bolt or cable or the like to increase the strength thereof. This results in a lightweight pillar whose curvature is adjustable.
    Type: Grant
    Filed: June 29, 1990
    Date of Patent: September 10, 1991
    Assignee: The Standard Products Company
    Inventor: Douglas C. Larsen