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
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
- 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