CPC Subgroup
B24B 5/36 Single-purpose machines or devices
Full Title
Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor (B24B11/00 - B24B21/00 take precedence; honing machines or devices using abrading blocks performing axial and rotary movements superimposed on one another B24B33/00) > Single-purpose machines or devices
9 direct subcodes
Child Classifications
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- B24B 5/37 for grinding rolls, e.g. barrel-shaped rolls
- B24B 5/38 for externally grinding travelling elongated stock, e.g. wire
- B24B 5/40 for grinding tubes internally
- B24B 5/42 for grinding crankshafts or crankpins
- B24B 5/44 for grinding rims of vehicle wheels, e.g. for bicycles
- B24B 5/46 for grinding railway car wheels
- B24B 5/48 for grinding walls of very fine holes, e.g. in drawing-dies
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