DIFF Main Group
B41J 35/00 Other apparatus or arrangements associated with, or incorporated in, ink-ribbon mechanisms
Introduced: September 1968
IPC and CPC are identically structured here. All 11 subcodes exist in both systems.
1 shared codes have differing titles between IPC and CPC.
Child Classifications
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- B41J 35/02 Frames or holders for unwound short lengths of ink ribbons IPC+CPC Available in IPC and CPC
- B41J 35/20 Ink-ribbon shifts, e.g. for exposing print, for case-shift adjustment, for rendering ink ribbon inoperative IPC+CPC Available in IPC and CPC
- B41J 35/22 Mechanisms permitting the selective use of a plurality of ink ribbons IPC+CPC Available in IPC and CPC
- B41J 35/24 Mechanisms specially adapted for feeding impression-transfer materials of foil form IPC+CPC Available in IPC and CPC
- B41J 35/28 Detachable carriers or holders for ink-ribbon mechanisms IPC+CPC Available in IPC and CPC
- B41J 35/36 Alarms, indicators, or feed disabling devices responsive to ink ribbon breakage or exhaustion 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