Patents by Inventor Regis Rival

Regis Rival 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).

  • Self-expansion electrical circuit breaker with variable extinguishing chamber volume
    Patent number: 4950855
    Abstract: A self-expansion electrical circuit breaker includes an arc extinguishing chamber of variable volume by repulsion of a piston by the pressure of the gas in the extinguishing chamber. A semi-stationary contact is securedly united to the piston so as to increase the separation distance of the contacts at the same time as the volume of the extinguishing chamber increases.
    Type: Grant
    Filed: October 31, 1988
    Date of Patent: August 21, 1990
    Assignee: Merlin Gerin
    Inventors: Roger Bolongeat-Mobleu, Regis Rival, Gerard Menou