Patents by Inventor Gerard Pion-Roux

Gerard Pion-Roux 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).

  • Patent number: 5132865
    Abstract: A circuit breaker comprises a static switch electrically connected in series with a disconnecting switch having an operating mechanism with a handle to close and open a system of main contacts. A voltage sensor ocmprises an electromagnet with a moving core capable of occupying an active locking position and an inactive unlocking position of the mechanism, respectively in the on state and in the off state of the switch. Opening of the disconnecting switch is inhibited if voltage is present on the output terminals.
    Type: Grant
    Filed: September 10, 1990
    Date of Patent: July 21, 1992
    Assignee: Merlin Gerin
    Inventors: Jean-Luc Mertz, Pierre Perichon, Robert Morel, Gerard Pion-Roux