Patents by Inventor Christian Athe

Christian Athe 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).

  • Floating flexible tubes
    Patent number: 4377186
    Abstract: A flexible buoyant conduit which includes a thermoplastic pressure-resistant stratum. The pressure resistant stratum is formed by spirally winding, and overlapping, a belt or band the cross-section of which is in the form of an elongated S-shape having a groove in the bottom wall of each channel.
    Type: Grant
    Filed: June 1, 1981
    Date of Patent: March 22, 1983
    Assignee: Coflexip
    Inventors: Maurice Genini, Christian Athe, Jean-Paul Aubert
  • Flexible tubular conduit
    Patent number: 4364418
    Abstract: A flexible conduit with a quadrangular hollow casing-shaped wire in the side wall of the conduit and extending the length of the conduit. The casing-shaped wire has at one side bent unjoined and overlapping extremities of the metal strip from which the wire is formed and is capable of receiving a hydraulic or electrical control line therein.
    Type: Grant
    Filed: April 6, 1979
    Date of Patent: December 21, 1982
    Assignee: Coflexip
    Inventors: Maurice Genini, Christian Athe, Jean-Paul Aubert
  • Riser pipe system for collecting and raising petroleum produced from an underwater deposit
    Patent number: 4332509
    Abstract: A piping or conduit system in which conduits to receive flow lines or flexible pipe can be connected end to end to form a riser assembly, and thereafter, the flow lines can be inserted through individual conduits of the assembly. The section contains a low density foam to impart essentially zero negative and positive buoyancy, and the foam is filled into areas surrounding the individual conduits of the sections. Suitable reinforcing and tension stress resisting elements are provided so that each section is essentially self sustaining.
    Type: Grant
    Filed: June 10, 1980
    Date of Patent: June 1, 1982
    Assignee: Coflexip
    Inventors: Remi Reynard, Christian Athe, Jean-Paul Aubert
  • Flexible composite tube
    Patent number: 4256146
    Abstract: A composite flexible tube is disclosed. The central portion of the core of the tube is formed of a plurality of hollow elements dipsosed concentrically about the longitudinal axis of the tube.
    Type: Grant
    Filed: February 21, 1979
    Date of Patent: March 17, 1981
    Assignee: Coflexip
    Inventors: Maurice Genini, Christian Athe, Jean-Paul Aubert