Patents by Inventor Paul Gwan

Paul Gwan 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).

  • Ultrasonic transducer systems
    Patent number: 8763927
    Abstract: Ulstrasound typically in the range 15 KHz to 1 MHz and at a power of about 100 watts over a zone of a few sq. cm is applied via a horn shaped cavity of a transmitter for processing a fluid medium, for example for processing a body of liquid having a foaming surface layer whereby the foaming can be quelled rapidly.
    Type: Grant
    Filed: April 18, 2007
    Date of Patent: July 1, 2014
    Assignee: Commonwealth Scientific and Industrial Research Organisation
    Inventors: Anthony Collings, Paul Gwan
  • Ultrasonic Transducer Systems
    Publication number: 20090308487
    Abstract: Ulstrasound typically in the range 15 KHz to 1 MHz and at a power of about 100 watts over a zone of a few sq. cm is applied via a horn shaped cavity of a transmitter for processing a fluid medium, for example for processing a body of liquid having a foaming surface layer whereby the foaming can be quelled rapidly.
    Type: Application
    Filed: April 18, 2007
    Publication date: December 17, 2009
    Inventors: Anthony Collings, Paul Gwan