B23F 23/02 Loading or chucking arrangements for workpieces
Introduced: September 1968
Last revised: January 2006
Full Title
Accessories or equipment combined with or arranged in, or specially designed to form part of, gear-cutting machines > Loading or chucking arrangements for workpieces
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- Subclass:
- MAKING GEARS OR TOOTHED RACKS
Filing statistics
IPC B23F 23/02 belongs to the parent subclass B23F, which recorded 16,856 patent applications worldwide between 2013 and 2023. Annual filings grew from 952 in 2013 to 1,984 in 2023 (+108%), peaking at 2,088 applications in 2020. The most active applicants in class B23 are ITW (ILLINOIS TOOL WORKS) (3,407 applications), FANUC (3,120 applications) and DISCO ABRASIVE SYSTEM (2,777 applications).
Source: EPO PATSTAT, worldwide filings
2 direct subcodes
Child Classifications
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- B23F 23/04 Loading arrangements
- B23F 23/06 Chucking arrangements
Top Applicants
Top 10 applicants by patent filingsfor class B23, 2013–2023, worldwide · Source: EPO PATSTAT
- ITW (ILLINOIS TOOL WORKS) US 3,407
- FANUC JP 3,120
- DISCO ABRASIVE SYSTEM 2,777
- HAN'S LASER TECHNOLOGY INDUSTRY GROUP COMPANY 2,629
- ROBERT BOSCH DE 2,468
- FANUC 2,273
- DISCO CORPORATION JP 2,267
- GE (GENERAL ELECTRIC COMPANY) US 1,611
- CHINESE ACADEMY OF SCIENCES 1,534
- ISCAR IL 1,499