Patents by Inventor Richard Jacolin

Richard Jacolin 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).

  • Rotary switch with curved arc root migration track
    Patent number: 4803319
    Abstract: A rotary switch with a sealed enclosure in which a rotating knife-blade is housed cooperating with two stationary contacts supported by the internal periphery of the enclosure. A permanent magnet is incorporated in the stationary contacts to magnetically blow the arc roots on a curved migration track towards hidden locations which are not facing the knife-blade.The invention is applicable to a gas-insulated medium voltage switch.
    Type: Grant
    Filed: June 14, 1988
    Date of Patent: February 7, 1989
    Assignee: Merlin Gerin
    Inventors: Georges Bernard, Bernard Bouvet, Richard Jacolin, Guido Colleoni, Jacques Gaillard, Robert Volsy