Patents by Inventor Roger Barriol

Roger Barriol 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).

  • Differential type transit-time ionic pickup
    Patent number: 4448082
    Abstract: Ionic air-flow pickup (1) consisting of two working areas (2) and (3) separated by an intermediary grid (4) and associated with devices (5) to power the emission area (2) and devices (8) to detect the signals given off by the receiving area (3) in order to obtain an electrical signal which depends on the volume flow.
    Type: Grant
    Filed: September 29, 1981
    Date of Patent: May 15, 1984
    Assignee: Regie Nationale des Usines Renault
    Inventors: Roger Barriol, Jackie Lecomte, Jean-Marie Bouvet