Patents by Inventor Jack Boursault

Jack Boursault 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).

  • Quick-closing multi-way valves
    Patent number: 4194535
    Abstract: A tap for controlling a plurality of fluid circuits simultaneously, comprising a body provided with a bore into which the said circuits open, and a rotary control member.Each fluid inlet duct is provided with a valve member and the rotary control member is a stem, movable in translation, which is provided with cams and cut-aways and controls the opening and closing of the said valve members.The invention is applicable in particular to oxyacetylene torches.
    Type: Grant
    Filed: November 22, 1977
    Date of Patent: March 25, 1980
    Assignee: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes
    Inventors: Denis Galland, Jack Boursault