Patents by Inventor George R. Moulder

George R. Moulder 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 apparatus and method for measuring the characteristics of materials
    Patent number: 4325255
    Abstract: Ultrasonic apparatus and method measures the characteristics of materials by sensing changes in the impedance to applied drive excitation of an ultrasonic probe using a crystal sensor that is integral with the ultrasonic transducer.
    Type: Grant
    Filed: April 7, 1980
    Date of Patent: April 20, 1982
    Assignee: Energy and Minerals Research Co.
    Inventors: Paul L. Howard, William B. Tarpley, Jr., George R. Moulder, William R. McBride