Patents by Inventor David Ungerbuehler

David Ungerbuehler 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).

  • Overheat indicator for strut bearing and stern tube bearing
    Patent number: 6325687
    Abstract: For monitoring the temperature of a water-cooled bearing mounted in a strut on an engine-driven water vessel and supporting the vessel's propellor shaft, a heat sensor on the strut for sensing the bearing temperature, and visual and/or audible indicator means on the vessel operated by the heat sensor to indicate overheating of the bearing.
    Type: Grant
    Filed: August 14, 2000
    Date of Patent: December 4, 2001
    Inventors: David Ungerbuehler, Harvey W. Chaples