Patents by Inventor Claude Larmurier

Claude Larmurier 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: 5337797
    Abstract: A system that provides assistance in opening the main valve in a hydrocarbon dispenser nozzle. The external control member for opening the main valve acts on a pilot valve of small flow section, with the main valve being opened by fluid pressure applied to it as a result of the pilot valve being opened. The seat of the pilot valve is formed in the main valve member.
    Type: Grant
    Filed: October 31, 1991
    Date of Patent: August 16, 1994
    Assignee: Schlumberger Industries
    Inventors: Sylvain Janssen, Jacques Fournier, Claude Larmurier