Patents by Inventor Michel Courbiere

Michel Courbiere 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).

  • Method for the preparation of reference samples for spectrographic analysis
    Patent number: 5284533
    Abstract: A method is disclosed for the preparation of metal reference samples for spectrographic analysis. The method consists of producing a substantially cylindrical preform or blank by spray deposition, followed by the consolidation of the blank in the form of a bar having an appropriate diameter and finally the cutting of the reference samples therefrom. Compared with the prior art methods, the method offers the advantages of an improved chemical homogeneity and low oxygen content.
    Type: Grant
    Filed: April 17, 1992
    Date of Patent: February 8, 1994
    Assignee: Pechiney Recherche
    Inventors: Michel Courbiere, Hubert Dieudonne