Patents by Inventor Jean Patillet

Jean Patillet 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: 4134294
    Abstract: A device for simultaneously measuring various parameters such as the flow rate, the density and the temperature of the drilling mud issuing from a well during the drilling operation, and for recording said parameters, comprising a V-shaped measuring conduit the upstream portion of which is connected to the upper portion of a chute through which said mud flows and which opens into the atmosphere, while the downstream end of said measuring conduit is connected to a down spout directing said mud to oscillating screens.
    Type: Grant
    Filed: December 22, 1977
    Date of Patent: January 16, 1979
    Assignees: Geoservices, Societe Nationale Elf Aquitaine (Production)
    Inventors: Jean Patillet, Olivier Issenmann