Patents by Inventor Jean-Marie Tritz

Jean-Marie Tritz 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).

  • Arc welding process and apparatus
    Patent number: 4107507
    Abstract: An arc welding process and apparatus utilising an electrode and a counter-electrode between which a column of plasma forms. A first unidirectional current source is located between the electrode and the counter-electrode, and a second unidirectional current source is located between the counter-electrode and the member to be welded. These two sources simultaneously pass the two unidirectional currents.
    Type: Grant
    Filed: June 3, 1974
    Date of Patent: August 15, 1978
    Assignee: L'Air Liquide Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
    Inventors: Jean-Pierre Schultz, Francis Cuny, Daniel Payraudeau, Jean-Marie Tritz