Patents by Inventor Yves Stassen

Yves Stassen 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).

  • Seafloor-surface coupling device
    Patent number: 7402001
    Abstract: The present invention relates to a bottom-to-surface connection device comprising at least one undersea pipe or riser (1, 1a-1b) capable of including a single float (2, 21-27), said float being connected at its bottom end to a junction device (8) creating a leaktight flexible joint between the bottom end of the float (2) and said riser (1a), the connection device being characterized in that said junction device (8) is interposed between and secured to a bottom portion (1a) of the riser going down to the sea bottom and a top portion of the riser passing through said float and rising to the surface, said junction device (8) comprising at least one first laminated abutment in the form of a body of revolution having a plurality of elastomer layers defining surfaces of revolution that are frustoconical in shape or ellipsoidal in section.
    Type: Grant
    Filed: July 23, 2004
    Date of Patent: July 22, 2008
    Assignee: Saipem S.A.
    Inventors: Yves Stassen, Michaël Gassert, Olivier Moog, Alain Skraber
  • Seafloor-surface coupling device comprising a flexible, leak-tight connection between a riser and a float
    Publication number: 20060177276
    Abstract: The present invention relates to a bottom-to-surface connection device comprising at least one undersea pipe or riser (1, 1a-1b) capable of including a single float (2, 21-27), said float being connected at its bottom end to a junction device (8) creating a leaktight flexible joint between the bottom end of the float (2) and said riser (1a), the connection device being characterized in that said junction device (8) is interposed between and secured to a bottom portion (1a) of the riser going down to the sea bottom and a top portion of the riser passing through said float and rising to the surface, said junction device (8) comprising at least one first laminated abutment in the form of a body of revolution having a plurality of elastomer layers defining surfaces of revolution that are frustoconical in shape or ellipsoidal in section.
    Type: Application
    Filed: July 23, 2004
    Publication date: August 10, 2006
    Inventors: Yves Stassen, Michael Gassert, Olivier Moog, Alain Skraber