CPC Main Group
B24D 7/00 Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting otherwise than only by their periphery, e.g. by the front face; Bushings or mountings therefor
Filing statistics
CPC B24D 7/00 belongs to the parent subclass B24D, which recorded 18,484 patent applications worldwide between 2013 and 2023. Annual filings declined from 1,532 in 2013 to 1,202 in 2023 (-22%), peaking at 2,154 applications in 2017. 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
8 direct subcodes
Child Classifications
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- B24D 7/02 Wheels in one piece
- B24D 7/06 with inserted abrasive blocks, e.g. segmental
- B24D 7/10 with cooling provisions
- B24D 7/12 with apertures for inspecting the surface to be abraded
- B24D 7/14 Zonally-graded wheels; Composite wheels comprising different abrasives
- B24D 7/16 Bushings; Mountings
- B24D 7/18 Wheels of special form
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