Patents by Inventor Paul Devienne

Paul Devienne 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).

  • Pyrotechnic system for providing an emergency exit in an aircraft
    Patent number: 4978089
    Abstract: A system for providing an emergency exit in a wall of an aircraft includes a pyrotechnic device disposed against the wall, and capable of cutting a desired opening in the wall, an igniter for the pyrotechnic device, a controller for the igniter, and a manometric safety device which receives the pressures inside and outside the aircraft and inhibits the action of the igniter when the difference between the pressures inside and outside the aircraft is greater than a predetermined value.
    Type: Grant
    Filed: June 28, 1989
    Date of Patent: December 18, 1990
    Assignee: Aerospatiale Societe Nationale Industrielle
    Inventors: Bruno Alquier, Olivier Belou, Paul Devienne, Thierry Martin