Patents by Inventor Jean-Claude Boulanger

Jean-Claude Boulanger 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: 8252371
    Abstract: The invention involves the treatment of a hollow body having a difficult-to-access surface to be preserved from corrosion by injecting a cellular foam supporting an anti-corrosion agent into the hollow body. Also involved is the production of a metal structure by assembling the structure and then applying an anti-corrosion treatment to the difficult-to-access surfaces of the structure. The invention is particularly applicable to railway wagons.
    Type: Grant
    Filed: June 8, 2006
    Date of Patent: August 28, 2012
    Assignee: Societe Nationale des Chemins de fer Francais
    Inventors: Thierry Guenard, Jean-Claude Boulanger
  • Publication number: 20110021648
    Abstract: The foam comprises a mixture of silica, a polyorganosiloxane resin and a polyorganosiloxane hardener, added with a thermal insulator and an adhesion agent. The thermal insulator is ammonium polyphosphate. The foam is well appropriate as a filling and partitioning product in railway applications.
    Type: Application
    Filed: October 31, 2007
    Publication date: January 27, 2011
    Applicants: SOCIETE NATIONALE DES CHEMINS DE FER FRANCAIS, FOTIA COMPOSITE
    Inventors: Thierry Guenard, Jean-Claude Boulanger, Annick Boccara, Claude Boccara
  • Publication number: 20080199608
    Abstract: The invention involves the treatment of a hollow body having a difficult-to-access surface (18) to be preserved from corrosion by injecting a cellular foam supporting an anti-corrosion agent into the hollow body. Also involved is the production of a metal structure (10) by assembling the structure (10) and then applying an anti-corrosion treatment to the difficult-to-access surfaces (18) of the structure (10). The invention is particularly applicable to railway wagons.
    Type: Application
    Filed: June 8, 2006
    Publication date: August 21, 2008
    Applicant: SOCIETE NATIONALE DES CHEMINS DE FER FRANCAIS
    Inventors: Thierry Guenard, Jean-Claude Boulanger