Patents by Inventor Lev M. Tsirulnikov

Lev M. Tsirulnikov 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).

  • Publication number: 20020160332
    Abstract: The present invention provides improved methods of reducing NOx emissions in the flue gases produced by a steam boiler fired by a fluid fuel and combustion air burner and including a steam drum provided with make-up water from which produced steam and blowdown steam are withdrawn. In accordance with the invention at least a portion of the blowdown steam is combined with the fluid fuel or combustion air or both.
    Type: Application
    Filed: April 26, 2001
    Publication date: October 31, 2002
    Inventors: John P. Guarco, Andrew S. Barrieau, Lev M. Tsirulnikov
  • Patent number: 6464492
    Abstract: The present invention provides improved methods of reducing NOx emissions in the flue gases produced by a steam boiler fired by a fluid fuel and combustion air burner and including a steam drum provided with make-up water from which produced steam and blowdown steam are withdrawn. In accordance with the invention at least a portion of the blowdown steam is combined with the fluid fuel or combustion air or both.
    Type: Grant
    Filed: April 26, 2001
    Date of Patent: October 15, 2002
    Assignee: John Zink Company, LLC
    Inventors: John P. Guarco, Andrew S. Barrieau, Lev M. Tsirulnikov