Closed-circuit grinding plant having sifter and fine material settling device

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United States of America Patent

PATENT NO 8066211
APP PUB NO 20100219278A1
SERIAL NO

12681903

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A closed-circuit grinding plant for grinding coarse material into a fine material, in particular for generating cement raw meal and/or cement from cement clinker, the plant having at least two roller presses disposed about a central riser shaft which pneumatically transports the fine material or pulverizing the coarse material, at least two sifters for separating the fine material generated during the pulverization from still existing coarse material, and at least two fine material settling devices for settling the fine material from the sifting air of the sifters.

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Patent Owner(s)

Patent OwnerAddress
KHD HUMBOLDT WEDAG GMBHCOLOGNE GERMANY COLOGNE NORTH RHINE-WESTPHALIA

International Classification(s)

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  • 2008 Application Filing Year
  • B02C Class
  • 291 Applications Filed
  • 199 Patents Issued To-Date
  • 68.39 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances200820092010201120122013201420150255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Frangenberg, Meinhard Kürten, DE 30 146
Hagedorn, Alexander Pulheim, DE 18 83

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  • 1 Citation Count
  • B02C Class
  • 9.77 % this patent is cited more than
  • 14 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges26197279222101 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 700102030405060708090100110120130140150160170180190200210

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