Patents by Inventor Walter Pietsch

Walter Pietsch 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).

  • Isotopic analysis process by optical emission spectrometry on laser-produced plasma
    Patent number: 5627641
    Abstract: Isotopic analysis process by optical emission spectrometry on laser-produced plasma. According to the invention, the sample to be analyzed (10) is irradiated by a laser beam (20) to produce a plasma (13), the light spectrum emitted by said plasma is analyzed and from it is deduced the isotopic composition of the sample. Application to isotopic analysis in the nuclear industry.
    Type: Grant
    Filed: June 14, 1995
    Date of Patent: May 6, 1997
    Assignee: Commissariat a l'Energie Atomique
    Inventors: Patrick Mauchien, Walter Pietsch, Alain Petit, Alain Briand