Patents by Inventor Pierre A. Bouygues

Pierre A. Bouygues 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: 4353387
    Abstract: The drainage device includes a drainage chamber (9) which communicates via an inlet pipe (20) with a compressed air tank and is provided with an outlet orifice (16), elements (5,24) for closing the outlet orifice and elements (5,19,1,21) for opening the outlet orifice while partially closing off the inlet pipe. Application to gas-blast circuit breaker installations.
    Type: Grant
    Filed: May 15, 1980
    Date of Patent: October 12, 1982
    Assignee: Delle-Alsthom
    Inventors: Pierre A. Bouygues, Jean-Marie Delcoustal