Patents by Inventor Philippe Henri Maurice Cluzel

Philippe Henri Maurice Cluzel 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).

  • Underwater piezoelectric transducers
    Patent number: 4085400
    Abstract: A piezoelectric transducer comprising a piezoelectric cylinder whose axis is coincident with the electrical axis and placed between two rigid pistons perpendicular to the axis and of greater diameter than that of the cylinder. The pistons carry electrodes on their external faces. The external faces and the lateral faces of the pistons are acoustically decoupled such that the only faces active are the peripheral surface of the cylinder and the inner surfaces of the pistons extending beyond the peripheral surface of the cylinder.
    Type: Grant
    Filed: April 20, 1976
    Date of Patent: April 18, 1978
    Assignee: Etat Francais
    Inventors: Philippe Henri Maurice Cluzel, Michel Georges Quivy