CPC Main Group
B23D 43/00 Broaching tools (for cutting gear teeth B23F21/26)
Filing statistics
CPC B23D 43/00 belongs to the parent subclass B23D, which recorded 41,298 patent applications worldwide between 2013 and 2023. Annual filings grew from 2,082 in 2013 to 3,632 in 2023 (+74%), peaking at 5,627 applications in 2020. 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
4 direct subcodes
Child Classifications
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- B23D 43/02 for cutting by rectilinear movement (B23D43/08 takes precedence)
- B23D 43/06 for cutting by rotational movement
- B23D 43/08 mounted on an endless chain or belt
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