Patents by Inventor Mukund K. Venkatachari

Mukund K. Venkatachari 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 selective grinding of coal
    Patent number: H981
    Abstract: A process for preparing coal for use as a fuel. Forming a coal-water slurry having solid coal particles with a particle size not exceeding about 80 microns, transferring the coal-water slurry to a solid bowl centrifuge, and operating same to classify the ground coal-water slurry to provide a centrate containing solid particles with a particle size distribution of from about 5 microns to about 20 microns and a centrifuge cake of solids having a particle size distribution of from about 10 microns to about 80 microns. The classifer cake is reground and mixed with fresh feed to the solid bowl centrifuge for additional classification.
    Type: Grant
    Filed: August 25, 1989
    Date of Patent: November 5, 1991
    Assignee: The United States of America as represented by the United States Department of Energy
    Inventors: Mukund K. Venkatachari, August D. Benz, Horst Huettenhain