Patents by Inventor Brentrup Ludger

Brentrup Ludger 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: 6805554
    Abstract: The invention relates to the production of cement clinker from cement raw material, wherein preheated raw material is calcined in a calcination zone, then finally burnt to cement clinker in a sintering combustion zone of a kiln supplied with fuel, and the hot cement is cooled in a cooler, and wherein fuel is generated from waste-derived fuels in a gasification reactor to which at least one gas conveying pipe for a reagent is connected and which is connected via at least one fuel gas pipe to at least one combustion zone.
    Type: Grant
    Filed: October 15, 2003
    Date of Patent: October 19, 2004
    Assignee: Polysius AG
    Inventors: Brentrup Ludger, Schmidthals Holger