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)
Description
B02B encompasses machinery and processes for conditioning grain before milling operations, including cleaning, sorting, moistening, and tempering to optimize milling quality and efficiency. The subclass also covers surface refinement techniques for granular fruits—such as polishing, grading, or abrading—to produce commercial-grade products. These preparatory operations improve the functional properties of raw materials, enhance product uniformity, and facilitate subsequent processing stages. Related grain milling machinery itself falls under B02C, while general crushing and pulverizing operations are classified separately in the B02 hierarchy.
4 direct subcodes
Child Classifications
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- B02B 1/00 Preparing grain for milling or like processes (hulling, husking, decorticating, polishing, removing the awns, or degerming B02B3/00)
- B02B 3/00 Hulling; Husking; Decorticating (decorticating textile fibres D01B1/14); Polishing; Removing the awns (in threshing machines A01F12/42); Degerming
- B02B 5/00 Grain treatment not otherwise provided for
- B02B 7/00 Auxiliary devices
Top Applicants
Top 10 applicants by patent filingsfor class B02, 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