Patents by Inventor Konrad Riedel

Konrad Riedel 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 for reduction of SO.sub.2
    Patent number: 4117101
    Abstract: Sulfur dioxide in sulfur dioxide-containing gases is thermally reduced at relatively moderate temperatures under reducing conditions provided by the incomplete combustion of hydrocarbon to produce elemental sulfur. Elemental sulfur can be recovered from the effluent gases from the thermal reduction and the effluent gases may be treated by conventional catalytic processes to recover additional elemental sulfur from the remaining sulfur values.
    Type: Grant
    Filed: March 14, 1977
    Date of Patent: September 26, 1978
    Assignee: Davy Powergas GmbH
    Inventors: Joachim Fechner, Siegward Fiebig, Friedrich Fischer, Herbert Fischer, Lars Hellmer, Konrad Riedel, Adolf Stauffer, Kuldip Sud