DIFF Main Group
B02C 15/00 Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
Introduced: September 1968
Of 15 combined children, 8 exist in both systems.
7 codes are CPC-only extensions.
Note: 2 CPC extensions are marked as secondary classification only.
2 shared codes have differing titles between IPC and CPC.
Child Classifications
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- B02C 15/04 Mills with pressed pendularly-mounted rollers, e.g. spring pressed +1 CPC IPC+CPC Available in IPC and CPC
- B02C 15/06 Mills with rollers forced against the interior of a rotary ring, e.g. under spring action (B02C15/04 takes precedence) IPC+CPC Available in IPC and CPC
- B02C 15/08 Mills with balls or rollers centrifugally forced against the inner surface of a ring, the balls or rollers of which are driven by a centrally arranged member (B02C15/02 takes precedence) IPC+CPC Available in IPC and CPC
- B02C 15/10 Mills with balls or rollers centrifugally forced against the inner surface of a ring, the balls or rollers of which are driven by other means than a centrally-arranged member IPC+CPC Available in IPC and CPC
- B02C 15/12 Mills with at least two discs and interposed balls or rollers mounted like ball or roller bearings +2 CPC IPC+CPC Available in IPC and CPC
- B02C 15/16 with milling members essentially having different peripheral speeds and in the form of a hollow cylinder or cone and an internal roller or cone IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
Class B02,2013–2023, worldwide · Source: EPO PATSTAT
- SANDVIK INTELLECTUAL PROPERTY SE 503
- THYSSENKRUPP INDUSTRIAL SOLUTIONS DE 498
- THYSSEN KRUPP DE 382
- ZHEJIANG ZHE KUANG HEAVY INDUSTRIES COMPANY 239
- FLSMIDTH DK 239
- ZAOZHUANG SNKSAN INTELLIGENT MACHINERY COMPANY 230
- KMUST (KUNMING UNIVERSITY OF SCIENCE AND TECHNOLOGY) 202
- METSO MINERALS FI 195
- BUEHLER CH 189
- ISEKI & CO 186
Top Applicants (CPC)
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