CPC Main Group
B23P 15/00 Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
Filing statistics
CPC B23P 15/00 belongs to the parent subclass B23P, which recorded 127,478 patent applications worldwide between 2013 and 2023. Annual filings grew from 7,342 in 2013 to 12,446 in 2023 (+70%), peaking at 14,453 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
20 direct subcodes
Child Classifications
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- B23P 15/02 turbine or like blades from one piece
- B23P 15/04 turbine or like blades from several pieces
- B23P 15/06 piston rings from one piece
- B23P 15/08 piston rings from several pieces
- B23P 15/10 pistons
- B23P 15/12 gratings
- B23P 15/14 gear parts, e.g. gear wheels
- B23P 15/16 plates with holes of very small diameter, e.g. for spinning or burner nozzles
- B23P 15/18 brake shoes
- B23P 15/20 railroad requirements, e.g. buffers
- B23P 15/22 cartridges or like shells
- B23P 15/24 dies (B21C3/18, B21C25/10, B21D37/20 take precedence)
- B23P 15/26 heat exchangers
- B23P 15/28 cutting tools (sawing tools B23D63/00, B23D65/00; files or rasps B23D73/00)
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