Patents by Inventor Fred Laaf

Fred Laaf 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).

  • Patent number: 7789588
    Abstract: A curvature limiter for a hydrocarbon transferring subsea system comprising a flexible tubular member through which an intermediate portion of the flexible hydrocarbon pipe passes. The flexible tubular member has a plurality of successive, substantially cylindrical sections which are hingedly mounted with respect to each other. At a predetermined maximum displacement thereof, the tubular member defining a mean plane in such a way that the flexible tubular member forms a mean curvature having the predetermined curvature radius of this mean plane.
    Type: Grant
    Filed: July 27, 2006
    Date of Patent: September 7, 2010
    Assignee: Technip France
    Inventors: Roberto Jourdan De Aquino, Jean Paul Ferraz, Fred Laaf, Carlos Silveira, Mario A. Vignoles
  • Patent number: 7575254
    Abstract: A stiffener fixation assembly fixed to the outer cover of a flexible tube, the flexible tube being in contact with a stiffener in an I-tube, at the end of which a bell mouth may be fixed, whereby the stiffener fixation assembly is located between the outer surface of the flexible tube and the inner wall of a centralizer and comprises rotary pieces that are axially movable with respect to the inner wall of the I-tube and capable of eliminating the relative movement between the flexible tube and the stiffener.
    Type: Grant
    Filed: August 31, 2004
    Date of Patent: August 18, 2009
    Assignee: Technip France
    Inventors: Gaspar Cunha Xavier, Fred Laaf, Luiz Antonio De Araujo Duvivier de Albuquerque Mello, Jucimar Coelho Moza
  • Publication number: 20080317555
    Abstract: A curvature limiter for a hydrocarbon transferring subsea system comprising a flexible tubular member through which an intermediate portion of the flexible hydrocarbon pipe passes. The flexible tubular member comprises a plurality of successive substantially cylindrical sections which are hingedly mounted with respect to each other. At a predetermined maximum displacement thereof the tubular member defining a mean plane in such a way that the flexible tubular member forms a mean curvature having the predetermined curvature radius on said mean plane.
    Type: Application
    Filed: July 27, 2006
    Publication date: December 25, 2008
    Inventors: Roberto Jourdan De Aquino, Jean Paul Ferraz, Fred Laaf, Carlos Silveira, Mario A. Vignoles
  • Publication number: 20070003376
    Abstract: A stiffener fixation assembly fixed to the outer cover of a flexible tube, the flexible tube being in contact with a stiffener in an I-tube, at the end of which a bell mouth may be fixed, whereby the stiffener fixation assembly is located between the outer surface of the flexible tube and the inner wall of a centralizer and comprises rotary pieces that are axially movable with respect to the inner wall of the I-tube and capable of eliminating the relative movement between the flexible tube and the stiffener.
    Type: Application
    Filed: August 31, 2004
    Publication date: January 4, 2007
    Inventors: Gaspar Cunha Xavier, Fred Laaf, Luiz Antonio De Albuquerque Mello, Jucimar Moza