Patents by Inventor Serge L. J. E. Delessard

Serge L. J. E. Delessard 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).

  • Process for modifying the properties of a swelling coal, an installation for carrying out the process and a chamber for treatment of coal by fluidization and crushing
    Patent number: 4382777
    Abstract: The present invention relates to a process for modifying the properties of a swelling coal, to an installation for carrying out the process and to a chamber for treatment by fluidization and crushing. A percussion-type crusher is installed in a fluidization chamber at about 1 meter above the zone of connection between a duct for conveying coal by pneumatic transport and the chamber. A combustion chamber produces gases for transport and fluidization, having an oxygen content of at least 10%.
    Type: Grant
    Filed: April 3, 1981
    Date of Patent: May 10, 1983
    Assignee: Charbonnages de France
    Inventors: Serge L. J. E. Delessard, Roger M. Puff, Jean-Claude Kita