CPC Subgroup
B41L 27/12 Feed or duct rollers (messenger or moving transfer rollers B41L27/16)
Full Title
Inking arrangements or devices (inking units for stencilling apparatus B41L13/18; applying liquids or other fluent materials to surfaces, in general B05) > Ducts, containers, or supply devices or ink-level control devices (level control in general G05D9/00) > Feed or duct rollers (messenger or moving transfer rollers B41L27/16)
1 direct subcode
Child Classifications
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- B41L 27/14 adjustable for regulating supply
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