Patents by Inventor John W. Wuthrich

John W. Wuthrich 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).

  • Thermacoustic piezoelectric generator
    Patent number: 7772746
    Abstract: An electroactive transducer converts between acoustical power and electrical power. The transducer includes a diaphragm and a perimeter member. The perimeter member includes at least one electroactive element and is mechanically coupled to the perimeter of the diaphragm such that displacement of the diaphragm stresses the electroactive element.
    Type: Grant
    Filed: July 25, 2006
    Date of Patent: August 10, 2010
    Assignee: The Penn State Research Foundation
    Inventors: Robert M. Keolian, John W. Wuthrich, Kevin J. Bastyr