Patents by Inventor John Michael Mesina

John Michael Mesina 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).

  • Gating control system in ultrasonic inspection apparatus
    Patent number: 3986389
    Abstract: Apparatus for the ultrasonic pulse-echo inspection of moving metal strip having a defect signal gate and a backwall signal gate adjusted to provide a backwall signal gate interval of fixed width and a fixed delay between the closing of the defect signal gate and the opening of the backwall signal gate is provided with means for automatically varying the time of closing the defect signal gate in response to changes in the relative position in time of the backwall signal with respect to the backwall signal gate interval so as to keep that gate interval in coincidence with the backwall signal.
    Type: Grant
    Filed: November 3, 1975
    Date of Patent: October 19, 1976
    Assignee: Jones & Laughlin Steel Corporation
    Inventors: John Michael Mesina, Robert Anthony Sylvester, Albert Lee Brautigam