Patents by Inventor Gilbert Grimaldi

Gilbert Grimaldi 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).

  • Device for measuring the electrode potential of underwater concrete reinforcement
    Patent number: 5210482
    Abstract: The invention relates to a device for measuring the electrode potential of the reinforcement in underwater concrete. The device is of the type comprising a reference electrode placed against the facing of the concrete and a voltmeter connected to the reference electrode and to the reinforcement. The reference electrode is disposed in a bell suitable for pressing in watertight manner against a facing of the concrete, thereby delimiting an enclosure. The device further includes means for injecting compressed air into the enclosure and means for enabling the water imprisoned therein to escape.
    Type: Grant
    Filed: April 25, 1991
    Date of Patent: May 11, 1993
    Assignee: L'Etat Francais represente par le Laboratoire Central des Ponts, et Chaussees
    Inventors: Patrick Deeds, Gilbert Grimaldi, Andre Raharinavo