Patents by Inventor Jean-Pierre Thery

Jean-Pierre Thery 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).

  • Hydrocarbon extractor
    Patent number: 5259958
    Abstract: A hydrocarbon extractor, intended to be disposed above a tank (10) containing a mixture of a liquid and a liquid hydrocarbon, comprises a belt (16) made of an oleophilic material which is adapted to be immersed in the mixture and two oleophilic rollers (26, 28), disposed one on each side of the belt, for recovering the liquid hydrocarbon from the belt. The rollers are rotated in an opposite direction to that of the movement of the belt and at a higher speed than the belt to enhance the recovery process.
    Type: Grant
    Filed: April 30, 1993
    Date of Patent: November 9, 1993
    Assignee: Societe Nationale Elf Aquitaine (Production)
    Inventors: Jean Bronnec, Bertrand Gaudebert, Jean C. LeRoux, Jean-Francois Vidalie, Jean-Pierre Thery, Thierry des Vallieres
  • Recovery and treatment of viscous petroleum emulsions
    Patent number: 4464057
    Abstract: Apparatus for use in the treatment and recovery of viscous petroleum emulsions comprises a leaktight chamber in which a reduced pressure is established, the chamber having an inlet connected to a feedpipe for sucking up emulsion. A mixer is connected on the feedpipe and a demulsifier is supplied to the mixer simultaneously with the emulsion so that the emulsion mixed with demulsifier is fed to the chamber.
    Type: Grant
    Filed: December 13, 1982
    Date of Patent: August 7, 1984
    Assignee: Compagnie Francaise des Petroles
    Inventors: Marc M. Durrieu, Jean-Pierre Thery