Patents by Inventor Bernard Bruncher

Bernard Bruncher 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).

  • Filtration device in the form of a one-part cartridge intended for pyrotechnic generators
    Patent number: 5268013
    Abstract: Gas-filter in the form of an axisymmetric one-part cartridge (1), characterised in that it is essentially constituted by:a) a rigid ring (2) comprising an axisymmetric lateral wall (21) bounded by a flat-forming extremity (23) and by another, fold-down extremity (24), openings (22) being disposed on the wall (21) between the extremities (23) and (24),b) a gas-impermeable backing piece (3) surrounding on the outside the lateral wall (21) of the ring (2) by bearing on the plane extremity (23) of the ring (2) and crimped into the fold-down extremity (24) of the ring (2),c) filter elements (4) disposed between the ring (2) and the backing piece (3).
    Type: Grant
    Filed: February 18, 1992
    Date of Patent: December 7, 1993
    Assignees: S.N.C. Livbag, Societe Anonyme des Etablissements Gantois
    Inventors: Bernard Bruncher, Philippe Chretien, Christian B. Perotto