IPC Main Group
B24B 47/00 Drives or gearings for grinding machines or devices; Equipment therefor
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- GRINDING; POLISHING
- Subclass:
- MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
Related Keywords
drives or GEAR(S) for grinding machines
7 direct subcodes
Child Classifications
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- B24B 47/02 for performing a reciprocating movement of carriages or work-tables
- B24B 47/1 for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B 47/2 relating to feed movement
- B24B 47/22 Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation
- B24B 47/25 for compensating grinding wheel abrasion resulting from dressing
- B24B 47/26 Accessories, e.g. stops
- B24B 47/28 Equipment for preventing backlash
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