CPC Subgroup
B24B 47/10 for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
Full Title
Drives or gearings; Equipment therefor > for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
4 direct subcodes
Child Classifications
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- B24B 47/12 by mechanical gearing or electric power (B24B47/16 takes precedence)
- B24B 47/14 by liquid or gas pressure (B24B47/16 takes precedence)
- B24B 47/16 performing a reciprocating movement, e.g. during which the sense of rotation of the working-spindle is reversed
- B24B 47/18 for rotating the spindle at a speed adaptable to wear of the grinding wheel
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