CPC Subgroup
B24B 15/02 in valve housings
Full Title
Machines or devices designed for grinding seat surfaces; Accessories therefor (for spherical surfaces in general B24B11/00) > in valve housings
1 direct subcode
Child Classifications
Navigate with arrow keys, Enter to open
- B24B 15/03 using portable or mobile machines
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