Patents by Inventor Anthony J. Liberto

Anthony J. Liberto 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).

  • Thickness and flaw detection using time mapping into memory technique
    Patent number: 5168469
    Abstract: The invention pertains generally to ultrasonic imaging systems and is more particularly directed to use of such systems for nondestructive testing to measure the thickness of parts, or to examine parts suspected of having internal flaws but where access is often limited to the external surfaces. The invention makes thickness and flaw determinations of substantial accuracy without resulting to use of an expensive ultra high frequency clock to measure time.
    Type: Grant
    Filed: January 2, 1991
    Date of Patent: December 1, 1992
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Anthony J. Liberto, Robert L. Jones