CPC Main Group
B23H 5/00 Combined machining
Filing statistics
CPC B23H 5/00 belongs to the parent subclass B23H, which recorded 10,207 patent applications worldwide between 2013 and 2023. Annual filings grew from 559 in 2013 to 825 in 2023 (+48%), peaking at 1,103 applications in 2019. 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
6 direct subcodes
Child Classifications
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- B23H 5/02 Electrical discharge machining combined with electrochemical machining
- B23H 5/04 Electrical discharge machining combined with mechanical working
- B23H 5/06 Electrochemical machining combined with mechanical working, e.g. grinding or honing
- B23H 5/10 Electrodes specially adapted therefor or their manufacture (B23H1/04, B23H3/04 take precedence)
- B23H 5/12 Working media
- B23H 5/14 Supply or regeneration of working media
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