Patents by Inventor Stanley E. Gilewicz

Stanley E. Gilewicz 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).

  • Patent number: 4514256
    Abstract: The formation of slag is minimized and the removability of slag is greatly increased, in connection with the furnace burning of black liquor, by applying to the surfaces where slag tends to form a substance which, under black liquor furnace conditions, reacts with the sodium sulfide content of the black liquor ash to oxidize said sodium sulfide and to be itself reduced, such substances preferably comprising sodium persulfate, manganese dioxide, cupric oxide and ferric oxide and mixtures thereof.
    Type: Grant
    Filed: April 18, 1983
    Date of Patent: April 30, 1985
    Inventors: Alfred E. Kober, Stanley E. Gilewicz
  • Patent number: 4304636
    Abstract: The bulk density and throughput characteristics of coking coal are improved by treating the coal with a surfactant and a combination of fuel oil and alcohol or of solid lubricant and water, the surfactant being soluble in, and increasing the spreading coefficient of, fuel oil or water, as the case may be.
    Type: Grant
    Filed: February 19, 1980
    Date of Patent: December 8, 1981
    Assignee: Apollo Technologies, Inc.
    Inventors: Mark O. Kestner, Stanley E. Gilewicz, Mehmet E. Aktuna