CPC Subgroup
B41F 7/24 Damping devices
Full Title
Rotary lithographic machines > Details > Damping devices
9 direct subcodes
Child Classifications
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- B41F 7/26 using transfer rollers
- B41F 7/28 using brushes
- B41F 7/30 using spraying elements
- B41F 7/32 Ducts, containers, or like supply devices for liquids
- B41F 7/34 Endless bands
- B41F 7/36 Inking-rollers serving also to apply ink repellants
- B41F 7/37 with supercooling for condensation of air moisture
- B41F 7/38 Absorbent pads
- B41F 7/40 Devices for tripping or lifting damping rollers; Supporting, adjusting, or removing arrangements therefor (such arrangements or devices for inking rollers B41F31/30)
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