Patents by Inventor Gerard Bertolotti

Gerard Bertolotti 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).

  • Powder homogenizing apparatus, its use, and a homogenizing method using said apparatus
    Publication number: 20030030194
    Abstract: The powder homogenizing apparatus of the invention comprises a cylindrical shell with a circular section and a substantially horizontal axis, an assembly of cylindrical drums disposed inside the shell and comprising an inner drum and an outer drum, the external face of the cylindrical wall of said outer drum being overlaid with blades, which drum assembly can homogenize the powder contained in the annular space formed between the outer drum and the shell, a space of revolution being formed between said inner and outer drums, and a shaft on which said cylindrical drum assembly is mounted in integral manner, said shaft being hollow and connected outside the shell to a cold air supply system and also connected to an air exhaust system outside the shell; drive means for rotating said shaft are also provided.
    Type: Application
    Filed: July 19, 2002
    Publication date: February 13, 2003
    Applicant: Compagnie Generale Des Matieres Nucleaires
    Inventors: Gerard Bertolotti, Christian Orange
  • Method and apparatus for continuously transforming plutonium oxalate into plutonium oxide
    Publication number: 20020004025
    Abstract: The present invention relates to a method of transforming plutonium oxalate into plutonium oxide by drying and then calcining. In said method, in a characteristic manner, the operations of drying and calcining are implemented continuously, in the presence of oxygen and with gas extraction, in two adjacent zones of a single apparatus, e.g. of the screw oven type, that is maintained at negative pressure. The present invention also provides apparatus suitable for implementing said method.
    Type: Application
    Filed: December 22, 2000
    Publication date: January 10, 2002
    Applicant: COMPAGNIE GENERALE DES MATIERES NUCLEAIRES
    Inventor: Gerard Bertolotti
  • Rotating device for continuously filtering a liquid such as a solution containing a precipitate
    Publication number: 20010054581
    Abstract: The present invention relates to a rotating device for continuously filtering a liquid such as a solution containing a precipitate.
    Type: Application
    Filed: May 2, 2001
    Publication date: December 27, 2001
    Applicant: Compagnie Generale Des Matieres Nucleaires
    Inventors: Gerard Bertolotti, Yves Lebiez