Patents by Inventor Jean M. Comane

Jean M. Comane 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).

  • Patent number: 4251708
    Abstract: A method and apparatus for electron beam welding in which a single electron un is displaced from one welding position to another welding position. A welding chamber is positioned at each welding position, and all of the chambers are located under a buffer vacuum enclosure. Preferably each chamber is associated with an individual vacuum pump. During the time the welding gun is operated at one position, the welded pieces are discharged and a set of pieces to be welded is placed at another position.
    Type: Grant
    Filed: September 18, 1978
    Date of Patent: February 17, 1981
    Assignees: La Soudure Autogene Francaise, Commissariat a l'Energie Atomique, L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude, Societe Chimique de la Grande Paroisse, Azote et Produits Chimiques
    Inventors: Francois Corcelle, Jean M. Comane