Patents by Inventor Heinzjosef Poggenpohl

Heinzjosef Poggenpohl 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 of thermal treatment of mineral raw material
    Patent number: 5458833
    Abstract: Method for the production of sintered dolomite, wherein at least carbonate material is ground into particles, formed into a predetermined shape, such as briquettes, deacidified and then heated to a predetermined temperature.
    Type: Grant
    Filed: July 22, 1993
    Date of Patent: October 17, 1995
    Assignee: Dolomitwerke GmbH
    Inventors: Thomas Hammer, Heinzjosef Poggenpohl, Rainer Prange, Herbert Richrath, Alfred Roeder
  • Production of sintered dolomite in a rotary kiln
    Patent number: 5246648
    Abstract: Method for the production of sintered dolomite, wherein at least carbonate material is ground into particles, formed into a predetermined shape, such as briquettes, deacidified and then heated to a predetermined temperature.
    Type: Grant
    Filed: August 25, 1989
    Date of Patent: September 21, 1993
    Assignee: Dolomitwerke GmbH
    Inventors: Thomas Hammer, Heinzjosef Poggenpohl, Herbert Richrath, Alfred Roeder