Patents by Inventor Daniel Bourdiol

Daniel Bourdiol 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: 5046936
    Abstract: The invention relates to an extrusion plate for the production of membranes of an organic material including at least one longitudinal passageway. This extrusion plate includes an annular body (1) provided with a cylindrical cavity into which opens at least one radial fluid conduit (5), an upper ferule (3) adapted to be inserted into the cavity of the body and comprising at least one hollow needle (8) extending in the extension of said insert and a longitudinal centering fluid feed conduit (9), and a lower insert (4) adapted to be inserted into the cavity of the body and having a bore (6) defining an extrusion chamber around the needles (8). The upper (3) and lower (4) inserts are in abutment at assembly faces at the level of which open the fluid conduits (5), and a fluid passage (7) is provided on these opposing faces in continuity with the passages (5), for communicating with the extrusion chamber.
    Type: Grant
    Filed: December 22, 1989
    Date of Patent: September 10, 1991
    Assignee: Societe Lyonnaise des Eaux, S.A.
    Inventors: Daniel Bourdiol, Franck Saux
  • Patent number: 4569759
    Abstract: A filtration apparatus includes at least one tangential filtration module ving at least one filtration element defining a conduit arranged in a spiral configuration within an enclosure in the form of a body of revolution. The element defines a helicoidal slope for liquid to be filtered and causes such liquid to pass through the module along a helicoidal path. The liquid is tangentially filtered, and filtrate is delivered to the exterior of the module.
    Type: Grant
    Filed: March 22, 1984
    Date of Patent: February 11, 1986
    Assignees: Societe Lyonnaise des Eaux et de l'Eclairage, Degremont, Institut de la Filtration et des Techniques Separatives Foulayronnes
    Inventors: Roger Ben Aim, Daniel Bourdiol, Francois Fiessinger, Jean-Marie Rovel