Patents by Inventor Michael A. Torbett

Michael A. Torbett 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).

  • Liquid-immersible electrostatic ultrasonic transducer
    Patent number: 4310906
    Abstract: A broadband megahertz range electrostatic acoustic transducer for use in a liquid environment. A liquid-tight enclosure 11 which includes a metallic conducting membrane 18 as part of its outside surface has a means 19 inside the liquid-tight enclosure for applying a tension to the membrane and for mounting an electrode 23 such that the flat end of the electrode is approximately parallel to the membrane. The invention includes structure and a method for ensuring that the membrane 18 and the flat end of the electrode 23 are exactly parallel and a fixed predetermined distance from each other.
    Type: Grant
    Filed: December 21, 1979
    Date of Patent: January 12, 1982
    Assignee: The United States of America as represented by the Administrator, National Aeronautics and Space Administration
    Inventors: John H. Cantrell, Jr., Joseph S. Heyman, William T. Yost, Michael A. Torbett, Mack A. Breazeale