CPC Subgroup
B24B 31/02 involving rotary barrels
Full Title
Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor (abrasive blasting machines B24C3/26) > involving rotary barrels
8 direct subcodes
Child Classifications
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- B24B 31/023 with tiltable axis
- B24B 31/027 with additional oscillating movement
- B24B 31/03 the workpieces being continuously-travelling
- B24B 31/033 having several rotating or tumbling drums with parallel axes
- B24B 31/037 having several rotating or tumbling drums with non-parallel axes
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