Patents by Inventor Patrice Raymond Mathieu

Patrice Raymond Mathieu 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 fitting an oil pipe stiffening sleeve on a support structure
    Patent number: 6352115
    Abstract: A device for fitting a stiffening sleeve which is located at the end of an oil pipe onto a bearing structure. The device comprises an internal hollow tube fixed on the bearing structure, the tube having an internal diameter slightly greater than the diameter of the cylindrical wall of the stiffener, and two support/centering devices, respectively a lower device formed by retractable balls and an upper device formed by a conical collar, the devices interacting with the cylindrical wall of the stiffener and a conical bearing surface at the top of the tube in order to support/center the stiffener.
    Type: Grant
    Filed: November 17, 1999
    Date of Patent: March 5, 2002
    Assignee: Coflexip
    Inventor: Patrice Raymond Mathieu