Patents by Inventor Raymond Lafitte

Raymond Lafitte 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).

  • Locking device for a cylindrical cavity
    Patent number: 4366653
    Abstract: Cylindrical cavities of nuclear reactors and the like, containing a fluid under pressure, are closed by a plug consisting of a shell and a counter shell in prestressed condition.
    Type: Grant
    Filed: January 23, 1980
    Date of Patent: January 4, 1983
    Assignee: Bonnard & Gardel, Ingenieurs-Conseils SA
    Inventors: Raymond Lafitte, Daniel Marchand, Claus Notheisen, Rene Walther