CPC Subgroup
B41B 11/74 Devices for supplying molten metal
Full Title
Details of, or accessories for, machines for mechanical composition using matrices for individual characters which are selected and assembled for type casting or moulding > Moulding or casting devices or associated mechanisms > Devices for supplying molten metal
2 direct subcodes
Child Classifications
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- B41B 11/76 Pots (melting pots for casting stereotype plates B41D3/20)
- B41B 11/88 Pumps; Stop-motions or safety devices therefor
Top Applicants
Top 10 applicants by patent filingsfor class B41, 2013–2023, worldwide · Source: EPO PATSTAT
- SEIKO EPSON CORPORATION 8,446
- SEIKO EPSON CORPORATION JP 8,438
- HEWLETT-PACKARD DEVELOPMENT COMPANY US 7,828
- CANON JP 5,419
- CANON 4,156
- BROTHER INDUSTRIES JP 3,763
- BROTHER INDUSTRIES 2,779
- RICOH COMPANY JP 2,717
- FUJIFILM JP 2,423
- RICOH COMPANY 1,739