Patents by Inventor Philippe Payen

Philippe Payen 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 for reacting a gas and a particulate material in an enclosure and method for operating said apparatus
    Patent number: 5453251
    Abstract: The reactor includes: a lower zone (I) having a fast circulation fluidized bed; a zone having a dense fluidized bed (13) and located adjacent to the top of the lower zone, being separated therefrom by a dividing wall, the top layer of the dense bed receiving falling particulate materials, and its bottom layer returning these materials to the lower zone (I); and a higher zone having a fast circulation fluidized bed. The invention is applicable to boilers.
    Type: Grant
    Filed: December 8, 1993
    Date of Patent: September 26, 1995
    Assignee: Stein Industrie
    Inventors: Jean Vidal, Philippe Payen, Jean-Claude Semedard, Jean-Xavier Morin
  • Apparatus for reacting a gas and a particulate material in an enclosure, and method for operating said apparatus
    Patent number: 5316736
    Abstract: The reactor includes: a lower zone (I) having a fast circulation fluidized bed; a zone having a dense fluidized bed (13) and located adjacent to the top of the lower zone, being separated therefrom by a dividing wall, the top layer of the dense bed receiving falling particulate materials, and its bottom layer returning these materials to the lower zone (I); and a higher zone having a fast circulation fluidized bed. The invention is applicable to boilers.
    Type: Grant
    Filed: December 12, 1991
    Date of Patent: May 31, 1994
    Assignee: Stein Industrie
    Inventors: Jean Vidal, Philippe Payen, Jean-Claude Semedard, Jean-Xavier Morin