Patents by Inventor David Vellut

David Vellut 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: 6364523
    Abstract: An ebulliometric device measures with high precision a physical parameter of a liquid substance. It includes an ebulliometer having an elongate vessel into which a liquid substance is fed, a sensor for measuring the boiling-point temperature arranged in the upper part of the vessel, a pump allowing to spray substance in the form of liquid and vapor in the upper part of the vessel, and an assembly external to the vessel for condensing the vapor allowing to recycle the condensed vapor to the base of the vessel and at least one thermostat-controlled enclosure.
    Type: Grant
    Filed: February 8, 2000
    Date of Patent: April 2, 2002
    Assignee: Institut Francais du Petrole
    Inventors: David Vellut, Jacques Jose, Emmanuel Behar