Patents by Inventor Stephane Brocas

Stephane Brocas 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).

  • On-line production process of sand presenting a controlled methylene blue value
    Patent number: 8561488
    Abstract: An embodiment of the invention provides a production process of sand including the extraction of sand from a quarry; the periodic, on-line and automated withdrawal of a sample of sand; and the automated measurement of the methylene blue value on the sample of sand. Another embodiment of the invention provides a production line of sand including means of extraction of sand from a quarry; periodic and automated means of withdrawal of a sample of sand; and automated means of measuring the methylene blue value for the sample of sand.
    Type: Grant
    Filed: September 25, 2007
    Date of Patent: October 22, 2013
    Assignee: Lafarge
    Inventors: Alain Jacquet, Laurence Martin, Stephane Brocas, Hakimi Yahiaoui
  • ON-LINE PRODUCTION PROCESS OF SAND PRESENTING A CONTROLLED METHYLENE BLUE VALUE
    Publication number: 20090241696
    Abstract: An embodiment of the invention provides a production process of sand including the extraction of sand from a quarry; the periodic, on-line and automated withdrawal of a sample of sand; and the automated measurement of the methylene blue value on the sample of sand. Another embodiment of the invention provides a production line of sand including means of extraction of sand from a quarry; periodic and automated means of withdrawal of a sample of sand; and automated means of measuring the methylene blue value for the sample of sand.
    Type: Application
    Filed: September 25, 2007
    Publication date: October 1, 2009
    Applicant: LAFARGE
    Inventors: Alain Jacquet, Laurence Martin, Stephane Brocas, Hakimi Yahiaoui