CPC Subgroup
B41F 13/08 Cylinders
Full Title
Common details of rotary presses or machines > Cylinders
8 direct subcodes
Child Classifications
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- B41F 13/10 Forme cylinders
- B41F 13/18 Impression cylinders
- B41F 13/193 Transfer cylinders; Offset cylinders
- B41F 13/20 Supports for bearings or supports for forme, offset, or impression cylinders
- B41F 13/22 Means for cooling or heating forme or impression cylinders
- B41F 13/24 Cylinder-tripping devices; Cylinder-impression adjustments
- B41F 13/42 Guards or covers, e.g. for preventing ingress or egress of foreign matter
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