Patents by Inventor Denis Fumat

Denis Fumat 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).

  • Device for providing a non-oxidizing atmosphere above a soldering bath of a machine for wave soldering
    Patent number: 5161727
    Abstract: A device for providing a non-oxidizing atmosphere above a soldering bath in a vat of a machine for wave soldering, includes a hooding assembly closing the vat, an inner space and a conveyor for electronic circuits extending through the inner space. The inner space is separated from the surrounding atmosphere through seals disposed along the path of the circuits. There is structure for providing and maintaining a non-oxidizing atmosphere in the inner space, for example an inert gas or a mixture of inert and reducing gas.
    Type: Grant
    Filed: December 12, 1991
    Date of Patent: November 10, 1992
    Assignee: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
    Inventors: Marc Leturmy, Denis Fumat, Sylvie Mellul, Michel Verlhac