Patents by Inventor Claude Francois Gaudy

Claude Francois Gaudy 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).

  • Method and apparatus for moulding protective tubing simultaneously with bore hole drilling
    Patent number: 3935910
    Abstract: In a method of drilling a bore-hole, the bore-hole is protected against caving in as the drilling proceeds by the simultaneous moulding of a tubing on the bore-hole wall immediately above the drill tool. Preferably a sleeve is first moulded onto the bore-hole wall and the tubing is moulded onto the sleeve.
    Type: Grant
    Filed: June 25, 1974
    Date of Patent: February 3, 1976
    Assignee: Compagnie Francaise des Petroles
    Inventors: Claude Francois Gaudy, Adrien Giraud, Claude J. Tassin, Christian H. Pech