Patents by Inventor Joachim Stegemann

Joachim Stegemann 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 producing ethanol
    Patent number: 4692218
    Abstract: Method and apparatus are provided for simultaneously producing various forms of alcohol, including ethanol, which can likewise be withdrawn from the apparatus simultaneously. To this end, successive columns in the individual processing stages, each of which includes distillation, rectification, purification and dehydration, are connected in parallel for product flow but in series for energy flow and conservation.
    Type: Grant
    Filed: March 3, 1983
    Date of Patent: September 8, 1987
    Assignee: Fried, Krupp GmbH
    Inventors: Heinz Houben, Hans U. Petzoldt, Joachim Stegemann
  • Apparatus for producing ethanol
    Patent number: 4678543
    Abstract: Apparatus is provided for simultaneously producing various forms of alcohol, including ethanol, which can likewise be withdrawn from the apparatus simultaneously. To this end, successive columns in the individual processing stages, each of which includes distillation, rectification, purification and dehydration are connected in parallel for product flow but in series for energy flow and conservation.
    Type: Grant
    Filed: January 20, 1984
    Date of Patent: July 7, 1987
    Assignee: Huftung Fried Krupp Gesellschaft mit beschrankter
    Inventors: Heinz Houben, Hans U. Petzoldt, Joachim Stegemann