Patents by Inventor Keith R. Koons

Keith R. Koons 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: 6530179
    Abstract: A continuously extruded profile sash and frame each having an integral rigid hinge thereon. The device comprises an operable hinge system wherein the load bearing hinge mechanics are extruded as an integral part of the extruded frame member and of the extruded sash moving panel, the sash and frame can each have a cell structure for increased structural integrity and thermal insulating capacity. A punch press may be used to create the male knuckle and female hinge components. At least one hinge pin can be inserted into the cylindrical cavity and run the length of the hinge. Panel and frame members include arcuate sides.
    Type: Grant
    Filed: May 12, 1997
    Date of Patent: March 11, 2003
    Inventors: Myles A Fisher, Richard D. Bradley, Keith R. Koons