Patents by Inventor David Fortsch

David Fortsch 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).

  • Vertical roller mill
    Patent number: 10010889
    Abstract: A vertical roller mill has grinding rollers which roll over a grinding path of a rotatable grinding table, and a surrounding nozzle ring separation area for conveying and separating gas. A coarse fraction of ground material is entrained in gas upwards in ducts from a location that is below, at, or above the nozzle ring separation area and is transported into an entry to a material separator located above the grinding table.
    Type: Grant
    Filed: May 31, 2016
    Date of Patent: July 3, 2018
    Assignee: FLSmidth A/S
    Inventors: David Fortsch, Jason Euculano, William Wentzel, Kurt A. Geiger
  • VERTICAL ROLLER MILL
    Publication number: 20180169661
    Abstract: A vertical roller mill has grinding rollers which roll over a grinding path of a rotatable grinding table, and a surrounding nozzle ring separation area for conveying and separating gas. A coarse fraction of ground material is entrained in gas upwards in ducts from a location that is below, at, or above the nozzle ring separation area and is transported into an entry to a material separator located above the grinding table.
    Type: Application
    Filed: May 31, 2016
    Publication date: June 21, 2018
    Inventors: David Fortsch, Jason Euculano, William Wentzel, Kurt A. Geiger