IPC Subgroup
B41F 13/08 Cylinders
Introduced: September 1968
Last revised: January 2006
Full Title
Common details of rotary presses or machines > Cylinders
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- Subclass:
- PRINTING MACHINES OR PRESSES
7 direct subcodes
Child Classifications
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- B41F 13/1 Forme cylinders
- B41F 13/18 Impression cylinders
- B41F 13/193 Transfer cylinders; Offset cylinders
- B41F 13/2 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 14,672
- CANON 14,153
- RICOH COMPANY 8,049
- SEIKO EPSON CORPORATION JP 8,044
- HEWLETT-PACKARD DEVELOPMENT COMPANY US 7,312
- BROTHER INDUSTRIES 6,887
- KYOCERA DOCUMENT SOLUTIONS 5,463
- CANON JP 5,001
- KONICA MINOLTA CORPORATION 4,512
- BROTHER INDUSTRIES JP 3,681