Patents by Inventor Jean-Louis Duffey

Jean-Louis Duffey 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).

  • APPARATUS AND METHOD FOR TRANSFERRING AND PRESSURIZING POWDER
    Publication number: 20150300375
    Abstract: The invention relates to an apparatus for transferring a powdered material from a first zone under pressure PI to a second zone under pressure P2 and for pressurizing the powdered material from pressure PI to pressure P2. The present invention may impart movement, such as oscillations, to the powdered material typically to avoid packing of the powdered material during transfer.
    Type: Application
    Filed: December 4, 2013
    Publication date: October 22, 2015
    Applicant: NESTEC S.A.
    Inventors: Xavier Begon, Jean-Louis Duffey, Philippe Francois Warnery, Christian Bourgeois
  • INSTANT BEVERAGE PRODUCT
    Publication number: 20120121789
    Abstract: The present invention relates to a method for producing an instant beverage product with good foaming and/or dissolution properties, wherein a layer of porous base powder is sintered while gas is forced through the layer.
    Type: Application
    Filed: March 22, 2010
    Publication date: May 17, 2012
    Applicant: NESTEC S.A.
    Inventors: Anne Francoise Violette Briend, Mathalai Balan Sudharsan, Ulrich Kessler, Laurent Josef Henry Lach, Vincent Daniel Maurice Meunier, Helene Michele Jeanne Chanvrier, Jeremie Cartier, Dietrich Koch, Guido Sutter, Jean-Louis Duffey
  • INSTANT DRINK POWDER
    Publication number: 20100215818
    Abstract: The present invention relates to an instant drink powder, preferably an instant coffee powder, which upon reconstitution provides improved foaming. The powder comprises particles having a porosity of at least 55%. The present invention also relates to the use of such a powder, as well as to the method of manufacturing said powder.
    Type: Application
    Filed: September 10, 2008
    Publication date: August 26, 2010
    Applicant: NESTEC S.A.
    Inventors: Ulrich Kessler, Jean-Louis Duffey, Marc Georges Dreyer, Michael Desmond Kauter, Mathalai Balan Sudharsan, Helene Michele Jeanne Chanvrier, Olaf Wehrspann, Xiaoping Fu