Patents by Inventor A. Bruce Dunwoody

A. Bruce Dunwoody 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).

  • Acoustic liquid processing device
    Patent number: 5395592
    Abstract: An acoustic liquid processing device in the form of a vessel having an interior wall which surround a process liquid. An electrostatic film transducer is attached to the interior wall to substantially envelop a selected volume of the process liquid. The transducer's acoustic impedance is approximately equal to that of the process liquid. The transducer is energized to subject the process liquid to acoustic vibration.
    Type: Grant
    Filed: October 4, 1993
    Date of Patent: March 7, 1995
    Inventors: Brent Bolleman, A. Bruce Dunwoody