Patents by Inventor Jean-Pierre D. J. Duponchel

Jean-Pierre D. J. Duponchel 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).

  • Thrust reverser and silencer assembly of turbojet engines
    Patent number: 4353516
    Abstract: Two groups of half shells capable of being retracted from the jet flow, in a position closing the jet pipe. The thrust reverser and the silencer are concentric and their axes of rotation are upstream with respect to their position in the jet flow.
    Type: Grant
    Filed: July 15, 1980
    Date of Patent: October 12, 1982
    Assignee: Societe Nationale d'Etude et de Construction de Moteurs d'Aviation, "S.N.E.C.M.A."
    Inventors: Marcel R. Soligny, Jean-Pierre D. J. Duponchel, Rene G. Hoch