Patents by Inventor Richard Lenoble

Richard Lenoble 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 the obturation and retention of a sealed closure plug of a steam generator tube
    Patent number: 5094809
    Abstract: The device comprises a threaded rod (11a) capable of being screwed into the threaded bore (10') traversing the core (10) and solid, at one of its ends, with a blocking element (11b) the external diameter of which is greater that the diameter of the rod (11a) and which comes into engagement in that end (7) of the casing (4) of the plug (3) opposite the closure base (5) of the plug when the threaded rod (11a) is screwed into the core (10). The blocking element (11b) cooperates with the end of the casing (4) of the plug to achieve the blocking, against rotation and/or translation, of the obturating device (11). The threaded rod (11a) may comprise a transverse orifice in which a braking part is engaged.
    Type: Grant
    Filed: June 21, 1990
    Date of Patent: March 10, 1992
    Assignee: Framatome
    Inventors: Richard Lenoble, Jean Paul Billoue