Patents by Inventor Allen Leatt

Allen Leatt 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).

  • Restraint systems for hybrid decoupled risers
    Patent number: 9121230
    Abstract: A seabed-to-surface riser system is disclosed. The seabed-to-surface riser system has a group of subsea riser supports that each support riser pipes extending from the seabed to mid-water. Jumper pipes extend from there to a floating production, storage and offloading (FPSO) offset horizontally from the riser support in a flow direction. The group of riser supports is disposed to one side of the surface installation. Laterally-extending lines are attached to at least the outermost riser supports of the group. Those lines apply mutually-opposed stabilizing forces to those outermost riser supports in directions transverse to the flow direction.
    Type: Grant
    Filed: December 21, 2011
    Date of Patent: September 1, 2015
    Assignee: Subsea 7 Limited
    Inventors: Jean-Francois Saint-Marcoux, Allen Leatt
  • RESTRAINT SYSTEMS FOR HYBRID DECOUPLED RISERS
    Publication number: 20140073207
    Abstract: A seabed-to-surface riser system is disclosed. The seabed-to-surface riser system has a group of subsea riser supports that each support riser pipes extending from the seabed to mid-water. Jumper pipes extend from there to a floating production, storage and offloading (FPSO) offset horizontally from the riser support in a flow direction. The group of riser supports is disposed to one side of the surface installation. Laterally-extending lines are attached to at least the outermost riser supports of the group. Those lines apply mutually-opposed stabilizing forces to those outermost riser supports in directions transverse to the flow direction.
    Type: Application
    Filed: December 21, 2011
    Publication date: March 13, 2014
    Inventors: Jean-Francois Saint-Marcoux, Allen Leatt