Patents by Inventor Ulrich Kroner

Ulrich Kroner 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 for the processing of fecal waste
    Patent number: 4486216
    Abstract: A method for the processing of fecal waste by treatment with mineral clay, characterized in that:A. a smectite clay, enriched with aerobic and anaerobic microorganisms, specific for the digestion of fecal waste, and with plant preparations which promote the increase of said microorganisms, and lime, is allowed to digest the fecal waste; andB. an acid phosphate is added to the fecal waste treated in this manner, after addition of the enriched smectite clay and shortly before use of the treated waste as a fertilizer.
    Type: Grant
    Filed: July 1, 1983
    Date of Patent: December 4, 1984
    Inventors: Axel von Raven, Hans Buckl, Ulrich Kroner