Patents by Inventor Pierre P. Gervais

Pierre P. Gervais 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).

  • Respiratory protection hood and safety equipment for aircraft
    Patent number: 4896665
    Abstract: The hood (1) comprises a fluidtight flexible cover (5) forming a cap and provided at its base with a closed C-shaped tube (2) constituting a reserve of oxygen under pressure. The ends of the C are interconnected by a normally convex spring strip (3) which is capable of being withdrawn within the confines of the C to permit the stowing away of a plurality of hoods in a box of small size. Application in the safety of aircraft passengers.
    Type: Grant
    Filed: October 3, 1988
    Date of Patent: January 30, 1990
    Assignee: l'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
    Inventor: Pierre P. Gervais
  • Container having a high degree of thermal insulation
    Patent number: 4572402
    Abstract: First, one end of a neck tube is adhesive bonded in an outwardly diverging frustoconical orifice of an inner vessel. The other end of the neck tube is then adhesive bonded in the outwardly converging frustoconical orifice of the upper part of the outer vessel. Thereafter the lower part of the outer vessel is welded or bonded to said upper part. The resulting container is useful for storing very high or very low temperature liquids.
    Type: Grant
    Filed: June 21, 1983
    Date of Patent: February 25, 1986
    Assignee: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
    Inventors: Pierre P. Gervais, Bernard Simon