Patents by Inventor Pierre M. Jagnoux

Pierre M. Jagnoux 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 of selecting ultrasonic transducers for use in ultrasonic inspection apparatus
    Patent number: 5229973
    Abstract: A method of selecting the ultrasonic transducers which are used in non destructive ultrasonic inspection apparatus consists of establishing under predetermined conditions the frequency spectra of the transducers under consideration, comparing these spectra with the frequency spectrum of a reference transducer obtained under the same predetermined conditions, and selecting only those transducers of which the frequency spectrum is substantially identical in form to that of the reference transducer.
    Type: Grant
    Filed: April 10, 1992
    Date of Patent: July 20, 1993
    Assignee: Societe Nationale d'Etude et de Construction de Moteurs d'Aviation "S.N.E.C.M.A."
    Inventors: Eric Guillot, Pierre M. Jagnoux, Gerard Y. Mangenet