Patents by Inventor Patrick Lautissier

Patrick Lautissier 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).

  • Plasma torch provided with an electromagnetic coil for rotating arc feet
    Patent number: 5132511
    Abstract: A plasma torch includes two axially spaced tubular electrodes and an electromagnetic coil for rotating an electric arc formed between the electrodes. Each electrode is held in a support, at least one support containing a cylindrical cooling chamber through which an electrically nonconductive cooling fluid can be passed. The electromagnetic coil divides the cooling chamber into two annular spaces which are interconnected at one end.
    Type: Grant
    Filed: November 7, 1990
    Date of Patent: July 21, 1992
    Assignee: Societe Anonyme dite: Aerospatiale Societe Nationale Industrielle
    Inventors: Maxime Labrot, Serge G. R. Muller, Jean Feuillerat, Patrick Lautissier