Patents by Inventor Josef Kakl

Josef Kakl 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).

  • Method of and apparatus for the desulfurization of flue gas of a coal-fired combustion process
    Patent number: 4509436
    Abstract: Flue gas from a coal-fired combustion to which a dry sulfur-binding additive is supplied, after cooling is subjected to filtration to remove additive ash therefrom. According to the invention, cooled additive ash is fed to at least a portion of the flue gas to reduce the temperature thereof approximately to the water dewpoint, thereby promoting the sulfur-binding reaction.
    Type: Grant
    Filed: September 30, 1983
    Date of Patent: April 9, 1985
    Assignee: Osterreichische Draukraftwerke Aktiengesellschaft
    Inventors: Herbert Schrofelbauer, Josef Kakl, Gernot Staudinger, Hermann Filipot