Patents by Inventor Guy Le Bail

Guy Le Bail 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).

  • Flexible tubular conduit
    Patent number: 6016847
    Abstract: The invention relates to a flexible tubular conduit having at least one tubular layer constituted by at least one molded strip of a cross section substantially in the form of an elongated S, wound helically and having a cross section formed of a first and of a second principal cylindrical coaxial spans joined together by an inclined central portion, each of the first and second principal cylindrical spans being united by a first convex radial portion to a first secondary cylindrical span and by a second convex radial portion to a second secondary span.
    Type: Grant
    Filed: July 6, 1993
    Date of Patent: January 25, 2000
    Assignee: COFLEXIP
    Inventors: Patrice Jung, Guy Le Bail
  • Casing and flexible tubular conduit comprising such a casing and process for producing it
    Patent number: 5669420
    Abstract: The invention has mainly as its object a metal tubular tube (1) comprising hollow compartments (7), and a flexible tubular conduit comprising at least one such tube. The tube according to the invention is characterized by the fact that it comprises at least one hollow channel (7) formed by walls belonging to a strip and spirally wound around an axis (6) of tube (1). The invention applies mainly to the production of flexible tubular conduits for transporting hydrocarbons.
    Type: Grant
    Filed: February 26, 1996
    Date of Patent: September 23, 1997
    Inventors: Jose Mallen Herrero, Guy Le Bail, Jany Feret