Patents by Inventor Patrice Lefevre

Patrice Lefevre 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).

  • Magnetic detector of vehicle wheels
    Patent number: 6670891
    Abstract: A magnetic detector of the passing of at least one vehicle wheel, a sensor of which is intended for being positioned on or in a roadway, and includes a conductive winding of at least one spiral and a ferrite structure inscribed in an elongated surface area, the conductive element being wound around a portion of the ferrite structure, parallel to its greater dimension.
    Type: Grant
    Filed: May 16, 2001
    Date of Patent: December 30, 2003
    Assignee: Atoll Technology
    Inventors: Michel Jamet, Patrice Lefevre