Patents by Inventor Karl-Heinz Flasche

Karl-Heinz Flasche 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: 4247365
    Abstract: A method of cooling and dedusting degasification gases which escape from coal degasification chambers particularly gases which are obtained in high temperature or low temperature carbonization of bituminous and subbituminous coals and which pass from degasification chambers through risers and bends into collection mains and in the bends or in the collecting mains themselves which comprises directing crude tar having a temperature in excess of 50.degree. C. and lower than 170.degree. C. into the bends and collecting mains either alone or with water added which has a temperature and is of a quantity such that it completely evaporates in the collecting main.
    Type: Grant
    Filed: December 16, 1977
    Date of Patent: January 27, 1981
    Assignee: Firma Carl Still GmbH & Co. KG
    Inventors: Heinrich Weber, Horst Dungs, Franz Beckmann, Hugo Schmauch, Karl-Heinz Flasche