Patents by Inventor Dominique Coutiere

Dominique Coutiere 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).

  • Method of extracting solid materials using a solvent and an apparatus for implementing same
    Patent number: 5026549
    Abstract: The invention provides a process for the extraction of solid materials using a solvent and the apparatus for implementing same. In this process, the solvent/solute separation is provided by vaporization without special precautions in the apparatus, the vapor phase thus obtained being subjected to centrifugal separation in the separator.
    Type: Grant
    Filed: January 25, 1989
    Date of Patent: June 25, 1991
    Assignee: Biolandes Technologies
    Inventor: Dominique Coutiere
  • Mechanism for charging and discharging a closed chamber utilizable as an extraction tank of a continuous vegetable material extraction unit and extraction process comprising an application thereof
    Patent number: 5024820
    Abstract: The extraction tank (1) carries an endless screw (13) on its upper portion and a conveyor belt of endless screws (17) on its lower portion to ensure its charging and discharging respectively, a complementary means employing a screw (7) with a vertical shaft on the upper portion and a shutter (22) mounted at the top of an evacuation tube (35) on the lower portion making it possible to obtain at each of these levels a plug (36, 37) of material that is tight to the fluids under pressure admitted into the tank.Application to vegetable material extraction units for the production of essential oils.
    Type: Grant
    Filed: October 18, 1988
    Date of Patent: June 18, 1991
    Assignee: Biolandes
    Inventor: Dominique Coutiere
  • Process for the continuous hydro-distillation of plants
    Patent number: 4935104
    Abstract: The invention provides a process for producing essential oils by plant hydro-distillation including the following steps:(a) loading the plants continuously into a still where they are processed counterflow wise with steam,(b) continuous unloading of the exhausted plants,(c) recovery of the latent heat of distillation and condensation of the steam by means of a gas in a condenser,(d) drying of the exhausted plants by contacting with the gas, in a drying installation,(e) combustion of at least a part of the dried exhausted plants in a boiler and use of the combustion heat for producing steam.
    Type: Grant
    Filed: November 13, 1987
    Date of Patent: June 19, 1990
    Assignee: Biolandes
    Inventor: Dominique Coutiere