Patents by Inventor Régis Girard

Régis Girard 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).

  • Apparatus and method for refining a process liquor by gravity settling
    Patent number: 9238184
    Abstract: An apparatus for refining a process liquor that includes solids, which apparatus includes a vessel having a base and a side wall that define an internal volume for containing the process liquor and for allowing gravity settling of the solids in the liquor, whereby to produce a refined liquor toward a top of the internal volume and a slurry toward a bottom of the internal volume, the apparatus further includes solids displacement elements disposed within the internal volume for directing settled solids and/or settling solids in the vicinity of the side wall or of the base toward a flow path of the slurry being extracted from the slurry outlet. A processing plant including the above refining apparatus and a method for refining a process liquor.
    Type: Grant
    Filed: August 10, 2011
    Date of Patent: January 19, 2016
    Assignee: Rio Tinto Alcan International Limited
    Inventors: Guy Peloquin, Alain Larouche, Alain Boivin, Matthieu St-Laurent, Régis Girard, Guy Simard
  • APPARATUS AND METHOD FOR REFINING A PROCESS LIQUOR BY GRAVITY SETTLING
    Publication number: 20130206707
    Abstract: An apparatus for refining a process liquor that includes solids, which apparatus includes a vessel having a base and a side wall that define an internal volume for containing the process liquor and for allowing gravity settling of the solids in the liquor, whereby to produce a refined liquor toward a top of the internal volume and a slurry toward a bottom of the internal volume, the apparatus further includes solids displacement elements disposed within the internal volume for directing settled solids and/or settling solids in the vicinity of the side wall or of the base toward a flow path of the slurry being extracted from the slurry outlet. A processing plant including the above refining apparatus and a method for refining a process liquor.
    Type: Application
    Filed: August 10, 2011
    Publication date: August 15, 2013
    Applicant: RIO TINTO ALCAN INTERNATIONAL LIMITED
    Inventors: Guy Peloquin, Alain Larouche, Alain Boivin, Matthieu St-Laurent, Régis Girard, Guy Simard