Patents by Inventor Daniel Maire

Daniel Maire 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 and device for non-destructive examination of a wall of a tank containing a radioactive liquid
    Patent number: 5345478
    Abstract: The tank contains a liquid in which a radioactive element emitting gamma radiation is distributed substantially uniformly. A photon detector (15) is disposed in the vicinity of the external surface of a measurement, zone of the wall (12), a count is made of the photons emitted by the radioactive element distributed in the liquid (7), through the measurement zone of the wall (12), a number of photons determined by counting is compared with a reference number emitted by the radioactive element through a reference zone of the wall (12) and it is deduced therefrom whether or not a defect (8) is present in the measurement zone of the wall (12). The measurement device comprises a photon detector (15) disposed at one end of a collimator (16) made of heavy metal traversed by channels or windows (17).
    Type: Grant
    Filed: January 15, 1993
    Date of Patent: September 6, 1994
    Assignee: Framatome
    Inventors: Daniel Maire, Georges Moreau, Jacques Archer