Patents by Inventor Charles W. Klayer

Charles W. Klayer 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).

  • Coal beneficiation process
    Patent number: 4412842
    Abstract: Coal is beneficiated by slurrying coal particles of less than 200 microns in diameter with water. The slurry is cavitated with intense sonic agitation at a level of at least 15 joules/cm.sup.2. While the slurry is in the cavitated state, impurities and water are gravitationally separated from the slurry to produce a coal/water mixture having up to 40 percent by weight water, and preferably, 20 to 35 percent water with the balance coal.
    Type: Grant
    Filed: January 9, 1981
    Date of Patent: November 1, 1983
    Assignee: Eric Charles Cottell
    Inventor: Charles W. Klayer