DIFF Main Group
B41F 13/00 Common details of rotary presses or machines
Introduced: September 1968
Of 13 combined children, 9 exist in both systems.
4 codes are CPC-only extensions.
1 shared codes have differing titles between IPC and CPC.
Child Classifications
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- B41F 13/004 Electric or hydraulic features of drives since 1995 +1 CPC IPC+CPC Available in IPC and CPC
- B41F 13/008 Mechanical features of drives, e.g. gears, clutches since 1995 IPC+CPC Available in IPC and CPC
- B41F 13/02 Conveying or guiding webs through presses or machines +1 CPC IPC+CPC Available in IPC and CPC
- B41F 13/44 Arrangements to accommodate interchangeable cylinders of different sizes to enable machine to print on areas of different sizes IPC+CPC Available in IPC and CPC
- B41F 13/48 Arrangements to enable printing to be effected over selected areas of a single forme cylinder (by inking selected areas B41F31/18) IPC+CPC Available in IPC and CPC
- B41F 13/54 Auxiliary folding, cutting, collecting or depositing of sheets or webs IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
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
Top Applicants (CPC)
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