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IPC Subgroup
B24D 13/02

acting by their periphery

Introduced: September 1968

Last revised: January 2006

Full Title

Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor > acting by their periphery

Classification Context

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

Filing statistics

IPC B24D 13/02 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

5 direct subcodes

Child Classifications

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  • B24D 13/04 comprising a plurality of flaps or strips arranged around the axis
  • B24D 13/06 the flaps or strips being individually attached
  • B24D 13/08 comprising annular or circular sheets packed side by side
  • B24D 13/1 comprising assemblies of brushes
  • B24D 13/12 comprising assemblies of felted or spongy material, e.g. felt, steel wool, foamed latex

Top Applicants

Top 10 applicants by patent filingsfor class B24, 2013–2023, worldwide · Source: EPO PATSTAT

  1. DISCO ABRASIVE SYSTEM 3,084
  2. APPLIED MATERIALS US 1,570
  3. EBARA CORPORATION JP 1,393
  4. DISCO CORPORATION JP 1,368
  5. 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 1,270
  6. EBARA CORPORATION 1,016
  7. FUJIMI JP 829
  8. ZHEJIANG UNIVERSITY OF TECHNOLOGY 804
  9. ROBERT BOSCH DE 803
  10. SAINT-GOBAIN ABRASIVES US 781