Patents by Inventor Andre Charbonnier

Andre Charbonnier 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: 5516121
    Abstract: A dry slip ring seal for incorporation in apparatus comprising a fixed element, such as a casing, and a revolving element, such as a shaft. At least one of these elements incorporates an internal conditioning circuit enabling the circulation of conditioning fluid which conditions one of a plurality of ring seals, as well as, at least partially, the other of the two elements.
    Type: Grant
    Filed: January 28, 1994
    Date of Patent: May 14, 1996
    Assignee: Framatome
    Inventors: Daniel Bolusset, Andre Charbonnier