Patents by Inventor Pedro A. Krepel

Pedro A. Krepel 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 to eliminate air pollutants which result from the combustion of fuels containing sulphur
    Patent number: 4649033
    Abstract: Process to eliminate air pollutants which result from the combustion of fuels containing sulphur, permitting the transformation of substantially all the existing SO.sub.2 and SO.sub.3 produced by the combustion of fuels to ammonium sulphate.
    Type: Grant
    Filed: April 20, 1984
    Date of Patent: March 10, 1987
    Assignee: K,L+M Industria E Comercio S/P
    Inventors: Newton C. Ladeira, Paulo R. M. De Oliveria, Adilson P. Marante, Pedro A. Krepel