Patents by Inventor Helmut Machnig

Helmut Machnig 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: 4878623
    Abstract: A process and an apparatus for mechanically removing a sulphur containing layer from lumped lime, wherein the lumped lime is accelerated from a bottom member by a mechanical impulse and projected from the bottom member against a processing surface having profiles provided over partial sections thereof to remove the sulphur containing layer, when the lumped lime returns to the bottom member and the process is repeated along a conveying path for the lumped lime for a determined length of time, or for as long as it takes to achieve the desired removal of the sulphur containing layer.
    Type: Grant
    Filed: February 19, 1988
    Date of Patent: November 7, 1989
    Assignee: Rheinisch-Westfalische Kalwerke AG
    Inventors: Friedrich W. Plank, Helmut Machnig, Georg H. Mischke, Reinhard Friedrichs, Norbert Nahrmann