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Indent Level
Color Curly Brackets (indicating CPC extensions to IPC) References Date Revised

CPC
COOPERATIVE PATENT CLASSIFICATION
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PREPARING GRAIN FOR MILLING; REFINING GRANULAR FRUIT TO COMMERCIAL PRODUCTS BY WORKING THE SURFACE (making dough from cereals directly A21C; preservation or sterilisation of cereals A23B; cleaning fruit A23N; preparation of malt C12C)
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Preparing grain for milling or like processes (hulling, husking, decorticating, polishing, removing the awns, or degerming B02B 3/00)
B02B 1/02
.
Dry treatment (sifting or sorting in general B07)
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B02B 1/04
.
Wet treatment, e,g. washing, wetting, softening
B02B 1/06
. .
Devices with rotary parts
B02B 1/08
.
Conditioning grain with respect to temperature or water content (air containing or ventilating of silos F24F; drying apparatus F26B; hygrometers G01N)
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Hulling; Husking; Decorticating (decorticating textile fibres D01B 1/14); Polishing; Removing the awns (in threshing machines A01F 12/42); Degerming
B02B 3/02
.
by means of discs
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B02B 3/04
.
by means of rollers
B02B 3/045
. .
{
cooperating rollers
}
B02B 3/06
.
by means of screws or worms
B02B 3/08
.
by means of beaters or blades
B02B 3/10
.
by means of brushes
B02B 3/12
.
by means of fluid
B02B 3/14
.
Producing flour or meal directly
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Grain treatment not otherwise provided for
B02B 5/02
.
Combined processes
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Auxiliary devices
B02B 7/02
.
Feeding or discharging devices
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Last Modified: 10/10/2013