CPC Main Group
B23B 27/00 Tools for turning or boring machines (for drilling machines B23B51/00); Tools of a similar kind in general; Accessories therefor
Filing statistics
CPC B23B 27/00 belongs to the parent subclass B23B, which recorded 66,933 patent applications worldwide between 2013 and 2023. Annual filings declined from 4,756 in 2013 to 4,707 in 2023 (-1%), peaking at 7,816 applications in 2018. 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
11 direct subcodes
Child Classifications
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- B23B 27/02 Cutting tools with straight main part and cutting edge at an angle (B23B27/04 - B23B27/08 take precedence)
- B23B 27/04 Cutting-off tools (B23B27/08 takes precedence )
- B23B 27/06 Profile cutting tools, i.e. forming-tools
- B23B 27/08 Cutting tools with blade- or disc-like main parts
- B23B 27/10 Cutting tools with special provision for cooling
- B23B 27/14 Cutting tools of which the bits or tips are of special material
- B23B 27/22 Cutting tools with chip-breaking equipment
- B23B 27/24 Knurling tools
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