Patents by Inventor Jean Pouliquen

Jean Pouliquen 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).

  • Method for measuring the fatigue of a test-piece subjected to mechanical stress
    Patent number: 4233849
    Abstract: A method for measuring the fatigue of a test-piece subjected to mechanical stress. The test-piece is stressed and pulses of ultrasonic waves are transmitted along the surface region of the stressed area and received. The acoustic attentuation of the waves, due to the fatigue caused by the stress, is measured and provides an indication of the amount of fatigue.
    Type: Grant
    Filed: February 6, 1979
    Date of Patent: November 18, 1980
    Assignee: Agence National de Valorisation de la Recherche (ANVAR)
    Inventors: Andre Defebvre, Jean Pouliquen