Patents by Inventor Jurgen Scheffler

Jurgen Scheffler 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 and roller grill for burning refuse
    Patent number: 5983811
    Abstract: A roller grate arrangement for garbage-incinerating plants, in which a plurality of rollers with horizontal and parallel axes lie in an inclined plane. Primary air is fed to interiors of the rollers by air boxes located below the grate. The rollers have surfaces with air gaps for supplying the primary air, and the rollers are positioned to form a space between adjacent rollers. A component in the space between adjacent rollers, bridges the space between adjacent rollers. The component is free of air passages. Blast pipes are positioned in spaces between adjacent rollers and are connected to a separate system for feeding supplemental air.
    Type: Grant
    Filed: November 7, 1997
    Date of Patent: November 16, 1999
    Assignee: Deutsche Babcock Anlagen GmbH
    Inventors: Kai Keldenich, Jurgen Scheffler, Peter Grell, Othmar Frielingsdorf, Colin Peter Robson
  • Roller grate
    Patent number: 5967064
    Abstract: A roller grate arrangement for garbage-incinerating plants, in which a plurality of rollers with horizontal and parallel axes lie in an inclined plane. Primary air is fed to interiors of the rollers by air boxes located below the grate. The rollers have surfaces with air gaps for supplying the primary air, and the rollers are positioned to form a space between adjacent rollers. A component in the space between adjacent rollers bridges the space between adjacent rollers. The component is free of air passages. Blast pipes are positioned in spaces between adjacent rollers and are connected to a separate system for feeding supplemental air.
    Type: Grant
    Filed: November 7, 1997
    Date of Patent: October 19, 1999
    Assignee: Deutsche Babcock Anlagen GmbH
    Inventors: Kai Keldenich, Jurgen Scheffler, Peter Grell, Othmar Frielingsdorf, Colin Peter Robson