Patents by Inventor Jean-Marie Wagner

Jean-Marie Wagner 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).

  • Sonar antenna
    Patent number: 5898642
    Abstract: The invention relates to the field of sonar antennas, in particular those intended to be installed on an underwater vehicle in order to constitute a mounted head of the vehicle. Specifically, the invention relates to a sonar antenna having at least two identical transducers that exhibit sensitivity peaks at at least two frequencies .nu., and .nu..sub.2, wherein the head mass dimension of the transducers is between 0.35 and 0.65 times the wavelength .lambda..sub.2 corresponding to the higher of the frequencies .nu..sub.1 and .nu..sub.2.
    Type: Grant
    Filed: June 12, 1997
    Date of Patent: April 27, 1999
    Assignee: Etat Francais represente par le Delegue General pour l'Armement
    Inventor: Jean-Marie Wagner