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

Introduced: September 1968

Last revised: January 2006

Classification Context

Section:: PERFORMING OPERATIONS; TRANSPORTING
Class:: GRINDING; POLISHING
Subclass:: TOOLS FOR GRINDING, BUFFING OR SHARPENING

Filing statistics

IPC B24D 7/00 belongs to the parent subclass B24D, which recorded 27,809 patent applications worldwide between 2013 and 2023. Annual filings grew from 2,100 in 2013 to 2,390 in 2023 (+14%), peaking at 2,947 applications in 2019. The most active applicants in class B24 are DISCO ABRASIVE SYSTEM (3,084 applications), APPLIED MATERIALS (1,570 applications) and EBARA CORPORATION (1,393 applications).

Source: EPO PATSTAT, worldwide filings

7 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 7/1 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 ABRASIVE SYSTEM 3,084
APPLIED MATERIALS US 1,570
EBARA CORPORATION JP 1,393
DISCO CORPORATION JP 1,368
3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 1,270
EBARA CORPORATION 1,016
FUJIMI JP 829
ZHEJIANG UNIVERSITY OF TECHNOLOGY 804
ROBERT BOSCH DE 803
SAINT-GOBAIN ABRASIVES US 781