CPC Main Group
B24B 17/00 Special adaptations of machines or devices for grinding controlled by patterns, drawings, magnetic tapes or the like (machines or devices so-controlled for grinding the edges of lenses B24B9/14; for grinding or polishing optical lens surfaces B24B13/06; for grinding non-circular cross-sections B24B19/08; for grinding trochoidal surfaces B24B19/09; for grinding cams B24B19/12; for grinding turbine blades or the like B24B19/14; such control means per se B23Q33/00, B23Q35/00, G05); Accessories therefor
Filing statistics
CPC B24B 17/00 belongs to the parent subclass B24B, which recorded 132,872 patent applications worldwide between 2013 and 2023. Annual filings grew from 5,708 in 2013 to 13,782 in 2023 (+141%), peaking at 18,119 applications in 2020. The most active applicants in class B24 are DISCO CORPORATION (2,092 applications), APPLIED MATERIALS (1,813 applications) and EBARA CORPORATION (1,804 applications).
Source: EPO PATSTAT, worldwide filings
4 direct subcodes
Child Classifications
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- B24B 17/02 involving mechanical transmission means only
- B24B 17/04 involving optical auxiliary means, e.g. optical projection form grinding machines
- B24B 17/08 involving fluid transmission means only
- B24B 17/10 involving electrical transmission means only, e.g. controlled by magnetic tape
Top Applicants
Top 10 applicants by patent filingsfor class B24, 2013–2023, worldwide · Source: EPO PATSTAT
- DISCO CORPORATION JP 2,092
- APPLIED MATERIALS US 1,813
- EBARA CORPORATION JP 1,804
- 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 1,329
- ROBERT BOSCH DE 863
- FUJIMI JP 858
- SAINT-GOBAIN ABRASIVES US 833
- EBARA CORPORATION 810
- SAINT-GOBAIN ABRASIVES FR 782
- DISCO ABRASIVE SYSTEM 735