Patents by Inventor Renaud LeDevehat

Renaud LeDevehat 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: 6719008
    Abstract: The invention concerns an assembly for transferring fluid (13) between a first site and a second site, comprising: a winch (40) for the first site (10) whereon is wound a suspension cable (17) designed to be stretched between the two sites (10, 11) and which is adapted to subject the cable to constant tension; a support (14) for the first site and for storing in suspension rigid pipe sections (15) mutually articulated via articulating sections (16) with rotary bends and joints, so as to shift from a storage position wherein the pipe sections (15) are suspended accordion-like to the support (14) to a stretched position between the two sites (10, 11) by being suspended to the cable; and means for coupling (22) some of the articulating sections (16) to the support (14) or to cable (17) depending on the length of the cable stretched between the two sites (10, 11).
    Type: Grant
    Filed: May 8, 2002
    Date of Patent: April 13, 2004
    Assignee: FMC Technologies, S.A.
    Inventor: Renaud LeDevehat
  • Patent number: 6416086
    Abstract: The invention proposes an articulated arm for transferring fluid products comprising two tubular sections (7, 8+2) connected to each other by a rotating joint (3) with a horizontal axis, and one of which, mobile in rotation, has an angular reference configuration in which it is balanced despite the effect of gravity. A balancing device (4, 10) compensates for variations in the effect of gravity on this mobile tubular section as a function of the orientation of this vis-a-vis the vertical, it is mounted between a fixed reference portion and a linkage portion of the mobile tubular section which is at a distance other than zero from the axis of rotation; it includes a spring (10) which tends to return the mobile section to its angular reference configuration (it is then idle) and applying to the mobile tubular section a force which is approximately proportional to the distance between this linkage portion and the location of this linkage portion in the angular reference configuration.
    Type: Grant
    Filed: May 31, 2000
    Date of Patent: July 9, 2002
    Assignee: FMC Corporation
    Inventors: Frederic Pelletier, Renaud LeDevehat, Cyrille Bex
  • Patent number: 6343620
    Abstract: The transfer device between a jib including at least one pipe section (54a, 54b) fixed to the jib (12) and a coupling, comprises a system of concertina or deformable diamond-shaped type articulated pipe segments and actuated by cable, at least one pipe section (24a, 24b) connecting to the coupling means. Each section fixed to the jib or connecting to the coupling is connected to one end of the system by a bend and rotary joints (53a, 53b), the bend being fixed to a support (51, 52) suspended from the jib. Each end of the system is fixed to a support (74a) movably mounted in rotation by a bearing (78a) on the bend support to which the end is connected, concentrically with the joint (72a) connecting the end to the bend. The invention applies in particular to the transfer of liquefied natural gas from a marine platform to an oil tanker.
    Type: Grant
    Filed: May 3, 2000
    Date of Patent: February 5, 2002
    Assignee: FMC Corporation
    Inventors: Eugene LeDevehat, Renaud LeDevehat