CPC Subgroup
B23C 5/02 characterised by the shape of the cutter
Full Title
Milling-cutters (for cutting gear-teeth B23F21/12) > characterised by the shape of the cutter
Filing statistics
CPC B23C 5/02 belongs to the parent subclass B23C, which recorded 24,967 patent applications worldwide between 2013 and 2023. Annual filings declined from 1,871 in 2013 to 1,686 in 2023 (-10%), peaking at 2,770 applications in 2017. The most active applicants in class B23 are ITW (ILLINOIS TOOL WORKS) (3,642 applications), DISCO CORPORATION (3,316 applications) and FANUC (3,111 applications).
Source: EPO PATSTAT, worldwide filings
5 direct subcodes
Child Classifications
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- B23C 5/04 Plain cutters, i.e. having essentially a cylindrical or tapered cutting surface of substantial length (B23C5/10 takes precedence)
- B23C 5/06 Face-milling cutters, i.e. having only or primarily a substantially flat cutting surface
- B23C 5/08 Disc-type cutters
- B23C 5/10 Shank-type cutters, i.e. with an integral shaft
- B23C 5/12 Cutters specially designed for producing particular profiles (B23C5/10 takes precedence)
Top Applicants
Top 10 applicants by patent filingsfor class B23, 2013–2023, worldwide · Source: EPO PATSTAT
- ITW (ILLINOIS TOOL WORKS) US 3,642
- DISCO CORPORATION JP 3,316
- FANUC JP 3,111
- ROBERT BOSCH DE 2,711
- FANUC 2,163
- GE (GENERAL ELECTRIC COMPANY) US 2,113
- ISCAR IL 1,516
- SIEMENS DE 1,459
- LINCOLN GLOBAL US 1,433
- KOBE STEEL JP 1,423