Patents by Inventor Alain Fraux

Alain Fraux 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).

  • Process for the treatment of oily suspensions
    Patent number: 5681483
    Abstract: A process is provided for the treatment of suspensions comprised of oil, water and solids in which the suspension is subjected to centrifugation employing a centrifugal filter, coated with an organic powder having an index of compressibility comprised between 0 and 1.2, and wherein under the effect of the centrifugation, the suspension is subjected to an acceleration comprised between 10 and 2500 times the gravity force, that is, 100 to 25000 m/s.sup.2. The solids are retained by the coating and the centrifugate is collected. The invention is useful for the treatment of crude oil, of lubricants and oils which produce suspensions or emulsions rich in fats.
    Type: Grant
    Filed: April 27, 1995
    Date of Patent: October 28, 1997
    Assignees: Elf Antar France, Institut Francais Du Petrole
    Inventors: Francois-Pierre Navaree, Alain Fraux, Bernard Michel Bossand
  • Continuous decanter for processing nuclear products
    Patent number: 5494579
    Abstract: A continuous decanter assembly suitable for processing nuclear materials comprises a mechanical assembly for driving a decanter bowl and an Archimedean screw. Sealing structure is provided to enable the decanter bowl and screw to be disconnected from the mechanical assembly and accessed by an operator without risk of nuclear contamination.
    Type: Grant
    Filed: May 26, 1994
    Date of Patent: February 27, 1996
    Assignee: Robatel
    Inventors: Michel Robatel, Alain Fraux, Jean-Pierre Davier