B02 CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
Description
Class B02 covers mechanical processes for reducing solid materials to smaller particles through crushing, pulverising, or disintegrating, as well as preparatory operations for grain processing before milling. This class encompasses equipment, machinery, and methods for breaking down materials such as minerals, ores, coal, stone, and agricultural products into finer forms. It includes both the crushing apparatus itself and associated preparatory treatments, particularly the cleaning, conditioning, and sizing of grain prior to flour or meal production.
Filing statistics
CPC B02 recorded 100,617 patent applications worldwide between 2013 and 2023, summed across its 2 subclasses. Annual filings grew from 3,721 in 2013 to 9,347 in 2023 (+151%), peaking at 15,638 applications in 2020. The most active applicants in class B02 are SANDVIK INTELLECTUAL PROPERTY (543 applications), THYSSENKRUPP INDUSTRIAL SOLUTIONS (517 applications) and THYSSEN KRUPP (398 applications).
Source: EPO PATSTAT, worldwide filings
2 direct subcodes
Child Classifications
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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)
- B02C CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN (; obtaining metallic powder by crushing, grinding or milling B22F9/04; )
Top Applicants
Top 10 applicants by patent filings, 2013–2023, worldwide · Source: EPO PATSTAT
- SANDVIK INTELLECTUAL PROPERTY SE 543
- THYSSENKRUPP INDUSTRIAL SOLUTIONS DE 517
- THYSSEN KRUPP DE 398
- FLSMIDTH DK 262
- METSO MINERALS FI 227
- BUEHLER CH 200
- METSO MINERALS INDUSTRIES US 195
- METSO OUTOTEC FINLAND FI 191
- NETZSCH-FEINMAHLTECHNIK DE 189
- ZAOZHUANG SNKSAN INTELLIGENT MACHINERY COMPANY 165