Patents by Inventor Jean-Paul Roblin

Jean-Paul Roblin 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).

  • Fluid-tight coupling for two sections of a fluid line
    Patent number: 4679824
    Abstract: In a fluid-tight coupling comprising a male fitting (1) having an axial channel (2) issuing to the outside via a radial opening (3) and forming the first section of the fluid line, said coupling requiring the male fitting to penetrate into a bore (6) in a mating part (5) containing the second section of said fluid line (4) issuing into the bore in line with the radial opening (3) when coupling is made and the male fitting (1) carrying two seals, located respectively above and below the radial opening, an improvement protects the seals against damage on insertion, wherein the upper seal (8) is secured between a conical shoulder (10) on the male fitting and a sliding ring (11) around the fitting, having a radial through-hole (17), the lower seal (9) is secured between same said ring and the conical top surface (12) of a sliding bushing (13) fitted over the end of the male fitting and the bore of the mating part has a shoulder (19) such that at the time of coupling the bushing (13) bumps said shoulder (19) and s
    Type: Grant
    Filed: March 24, 1986
    Date of Patent: July 14, 1987
    Assignee: Alsthom
    Inventors: Francis Rodriguez, Jean-Paul Roblin
  • Modular undersea oil production plant
    Patent number: 4452312
    Abstract: A modular undersea oil production plant having at least one satellite unit whose product is conveyed by a collector pipe (10) towards a central structure (4) in which operating modules (5,6) are grouped together, said product being removed from said operating modules, wherein said satellite unit has a wellhead (1) linked by a connector (13) to the upper portion of a pipe (44) in a drill hole, an individual auxiliary module (3) which can be raised being associated with said wellhead, said module containing the control and operation components and being connected firstly to said wellhead by a first connector (23) and secondly to one end of said collector pipe (10) by a second connector (24), said wellhead (1) and said auxiliary module (3) being installed on a template (2) in two distinct cavities whose shape is complementary to that of said wellhead and of said auxiliary module which has means for disconnecting it from the collector pipe and from the wellhead and for removing it from the template (2), said disc
    Type: Grant
    Filed: February 23, 1982
    Date of Patent: June 5, 1984
    Assignee: Alteliers et Chantiers de Chantiers de Bretagne-ACB
    Inventor: Jean-Paul Roblin