Patents by Inventor Philippe Reiffsteck

Philippe Reiffsteck 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 in situ triaxial test
    Patent number: 6655220
    Abstract: The device comprises a corer (1, 4) fitted with a flexible diaphragm (2) on its inside face, means (10) for driving the corer into the soil (11), means for breaking up the soil leaving the top orifice of the corer, means for applying axial forces on the diaphragm (2) and on the top face of the soil sample (12) contained in the corer, and means for measuring stresses and deformations to which the sample (12) is subject. While a measurement is being performed, the corer is held stationary in the soil (11).
    Type: Grant
    Filed: April 17, 2002
    Date of Patent: December 2, 2003
    Assignee: Laboratoire Central des Ponts et Chaussees
    Inventor: Philippe Reiffsteck