Patents Assigned to Leonard Messer
  • In-line method for the beneficiation of coal and the formation of a coal-in-oil combustible fuel therefrom
    Patent number: 4284413
    Abstract: An in-line method for the beneficiation of coal and the formation of a coal-in-oil combustible fuel wherein the coal is wet pulverized, micro-agglomerated with light oil to dissociate a large amount of inorganic impurities and some water, agglomerated with heavy oil to form relatively larger agglomerates and dissociate mainly water with some inorganic impurities, and then mixed with further heavy oil to form the coal-in-oil combustible fuel.
    Type: Grant
    Filed: December 26, 1979
    Date of Patent: August 18, 1981
    Assignees: Canadian Patents & Development Ltd., Leonard Messer
    Inventors: C. Edward Capes, William L. Thayer, Richard D. Coleman, Leonard Messer