Patents by Inventor Françoise Guillou

Françoise Guillou 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).

  • Corrosion detecting device
    Patent number: 7129471
    Abstract: The invention relates to a device for detecting the corrosion induced by a medium on a structure. The device comprises a chamber (5) closed by a closing disc (4) made of such a material that the disc becomes permeable to the medium once corroded by the medium, and means for measuring the refractive index of the medium present in the chamber. According to a preferred embodiment, an optical fiber is used to measure the refractive index variation.
    Type: Grant
    Filed: December 4, 2003
    Date of Patent: October 31, 2006
    Assignee: Institut Francais du Petrole
    Inventors: Didier Frot, Françoise Guillou, Xavier Longaygue