Patents by Inventor David A. RUGGLES

David A. RUGGLES 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).

  • PIEZOELECTRIC PRESSURE SENSITIVE TRANSDUCER APPARATUS AND METHOD
    Publication number: 20130069488
    Abstract: A sensor includes a first plate, a second plate, and a piezoelectric material portions. The piezoelectric material portions are positioned between the first plate and the second plate. The area of the piezoelectric material portions is less than the area of the plates. The plates can be supported with a center support structure. The width of the sensor is significantly greater than its height. The interstitial space is filled with a flexible material.
    Type: Application
    Filed: June 29, 2012
    Publication date: March 21, 2013
    Applicant: LOCKHEED MARTIN CORPORATION
    Inventors: John H. GOODEMOTE, Ryan J. CUMMISKEY, Dennis C. STIMSON, David A. RUGGLES