1. CPC Sections
  2. CPC Section B
  3. CPC Class B02
  4. CPC Subclass B02B
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Version: 2024.08
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CPC
COOPERATIVE PATENT CLASSIFICATION
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B02B
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) [2018-08]
WARNING

  • In this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme.
B02B 1/00
Preparing grain for milling or like processes (hulling, husking, decorticating, polishing, removing the awns, or degerming B02B 3/00) [2013-01]
B02B 1/02
.
Dry treatment (sifting or sorting in general B07) [2013-01]
B02B 1/04
.
Wet treatment, e.g. washing, wetting, softening [2016-08]
B02B 1/06
. .
Devices with rotary parts [2013-01]
B02B 1/08
.
Conditioning grain with respect to temperature or water content (air containing or ventilating of silos F24F; drying apparatus F26B; hygrometers G01N) [2013-01]
B02B 3/00
Hulling; Husking; Decorticating (decorticating textile fibres D01B 1/14); Polishing; Removing the awns (in threshing machines A01F 12/42); Degerming [2013-01]
B02B 3/02
.
by means of discs [2013-01]
B02B 3/04
.
by means of rollers [2013-01]
B02B 3/045
. .
{cooperating rollers} [2013-01]
B02B 3/06
.
by means of screws or worms [2013-01]
B02B 3/08
.
by means of beaters or blades [2013-01]
B02B 3/10
.
by means of brushes [2013-01]
B02B 3/12
.
by means of fluid [2013-01]
B02B 3/14
.
Producing flour or meal directly [2013-01]
B02B 5/00
Grain treatment not otherwise provided for [2013-01]
B02B 5/02
.
Combined processes [2013-01]
B02B 7/00
Auxiliary devices [2013-01]
B02B 7/02
.
Feeding or discharging devices [2013-01]