Patents by Inventor Karl-Heinrich Vopel

Karl-Heinrich Vopel 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 processing dust-like matter from metallurgical waste gases
    Patent number: 4209322
    Abstract: A method is provided for processing dusts and muds from dust removing systems in the iron and steel industry by pelletizing them for further processing. Green pellets are formed by pelletizing the dusts and/or muds with a moisture content of between 10% and 16% for less than 6 minutes with an addition of water such that the moisture content of the green pellets is between 17% and 30%. The green pellets, together with a reducing agent, are then introduced into a rotary furnace.
    Type: Grant
    Filed: April 29, 1976
    Date of Patent: June 24, 1980
    Assignee: Fried. Krupp Gesellschaft mit beschrankter Haftung
    Inventors: Wilhelm Janssen, Karl-Heinrich Vopel, Gunter Meyer