Patents by Inventor Shell R. Hougland

Shell R. Hougland 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: 5894619
    Abstract: An apparatus for cleaning dentures including a motor box and a cleaning unit. The cleaning unit is constructed with a rectangular configuration having a bottom face, a front face, a rear face, and a pair of end faces defining a closed interior space and a top opening. The cleaning unit further has a drive shaft coupled to the motor box and rotatably situated in apertures formed in the end faces of the cleaning unit. Such drive shaft is equipped with a drive gear coupled thereto within the interior space of the cleaning unit. Also included is a first brush assembly with a plurality of vertical brushes each having a dowel rotatably coupled between the end faces of the cleaning unit. The vertical brushes include gears for communicating with the drive gear of the drive shaft. Further, a plurality of bristles are coupled to the dowels of the vertical brushes and are radially extended therefrom.
    Type: Grant
    Filed: April 25, 1997
    Date of Patent: April 20, 1999
    Inventors: D. Wayne Hougland, Shell R. Hougland