Patents by Inventor Philippe Sajet

Philippe Sajet 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).

  • Heating worm conveyor
    Patent number: 6375345
    Abstract: Apparatus for transferring and heat-treating divided solids comprises at least one transfer member (2) having a longitudinal axis (3) and a helical portion (4) mounted to rotate about its own longitudinal axis in a tubular case (1) and connected to the outlet shaft of a rotary drive motor (12). At least the helical portion (4) of the transfer member (2) is made in its bulk of an electrically conductive material, and the transfer member (2) has means (11) for connecting it to an electricity power supply so as to constitute heater means.
    Type: Grant
    Filed: July 19, 2000
    Date of Patent: April 23, 2002
    Assignee: E.T.T.A. Evaluation Technologique Ingenierie et Applications
    Inventors: Olivier Lepez, Philippe Sajet
  • Incineration method, particularly for spent graphite
    Patent number: 5513582
    Abstract: The method of incinerating a combustible material (1) comprises, before custion, the following steps:dividing (2) the material into particles,incorporating (3) the divided material into an aqueous medium at a rate of not more than 35% by weight of solid relative to the liquid,foaming and pressurizing the suspension thereby obtained, by incorporating an oxidizer gas (10) and surface-active additives (9) in a mixer (8) of the suspension.
    Type: Grant
    Filed: April 12, 1995
    Date of Patent: May 7, 1996
    Assignee: Association Gradient & Societe des Techniques en Milieu Ionisant (STMI)
    Inventors: Gerard Antonini, Olivier Lepez, Jean-Pierre Perotin, Philippe Sajet