Patents by Inventor Carl James Olsen

Carl James Olsen 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).

  • Window frame welding method
    Patent number: 6141874
    Abstract: A frame member is extruded from a composite material including plastic and wood fiber. A plastic end cap is sonically welded to a cut end of the frame member despite the presence of wood fiber at the interface.
    Type: Grant
    Filed: May 8, 1998
    Date of Patent: November 7, 2000
    Assignee: Andersen Corporation
    Inventor: Carl James Olsen
  • Window frame welding method and product thereof
    Patent number: 5779384
    Abstract: A frame member is extruded from a composite material including plastic and wood fiber. A plastic end cap is sonically welded to a cut end of the frame member despite the presence of wood fiber at the interface.
    Type: Grant
    Filed: May 17, 1996
    Date of Patent: July 14, 1998
    Assignee: Andersen Corporation
    Inventor: Carl James Olsen