Patents by Inventor Jacques Feix

Jacques Feix 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).

  • Welding torch with mechanical and pneumatic cleaning
    Patent number: 4280043
    Abstract: A welding torch having two relatively movable assemblies of elements and an annular chamber therebetween. One of the assemblies is provided with a scraping device to strip strongly adhering metal particles from the lower portion of the inert gas chamber of the torch, and a pneumatic system is operative to then remove these as well as the remaining weakly adhering particles from the entire length of the chamber.
    Type: Grant
    Filed: January 15, 1979
    Date of Patent: July 21, 1981
    Assignee: L'Air Liquide, Scoiete Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
    Inventors: Jacques Feix, Frederic Cardot