CPC Subgroup
B24B 39/065 Full Title
Burnishing machines or devices, i.e. requiring pressure members for compacting the surface zone (modifying the physical properties or structure of metal by burnishing C21D7/08, C22F1/00); Accessories therefor > designed for working plane surfaces
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