CPC Main Group Additional Only
B23B 2224/00 Materials of tools or workpieces composed of a compound including a metal
Filing statistics
CPC B23B 2224/00 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
10 direct subcodes
Child Classifications
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- B23B 2224/04 Aluminium oxide
- B23B 2224/08 Aluminium nitride
- B23B 2224/12 Chromium carbide
- B23B 2224/16 Molybdenum disulphide
- B23B 2224/20 Tantalum carbide
- B23B 2224/24 Titanium aluminium nitride
- B23B 2224/28 Titanium carbide
- B23B 2224/32 Titanium carbide nitride (TiCN)
- B23B 2224/36 Titanium nitride
- B23B 2224/40 Tungsten disulphide
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