Patents by Inventor Maurice Legousse

Maurice Legousse 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 and installation of treating raw material for producing cement
    Patent number: 4028049
    Abstract: Raw material for making cement is treated in an installation comprising a plurality of superimposed cyclones constituting a multi-stage exchanger wherein the solid raw material and gases issuing from a clinkerization furnace circulate counter-currently, and wherein at least a portion of the raw material issuing from the penultimate exchanger stage is injected into the gas current produced by the furnace. The raw material is injected in the form of a "curtain", or "screen", into an upstream section of the furnace. This novel method and the novel device for carrying out said method allow the building-up of deposits upstream of the furnace to be eliminated.
    Type: Grant
    Filed: March 25, 1975
    Date of Patent: June 7, 1977
    Assignee: Ciments Lafarge S.A.
    Inventors: Rene Naudy, Francois Phoyu, Louis Robert, Maurice Legousse, Jean-Marie Audouard, Herve Le Roux