DIFF Main Group
B41J 19/00 Character- or line-spacing mechanisms
Introduced: September 1968
Of 7 combined children, 6 exist in both systems.
1 codes are CPC-only extensions.
3 shared codes have differing titles between IPC and CPC.
Child Classifications
Navigate with arrow keys, Enter to open
- B41J 19/04 Sound-deadening or shock-absorbing devices or measures therein (B41J19/38 takes precedence) IPC+CPC Available in IPC and CPC
- B41J 19/14 with means for effecting line or character spacing in either direction +1 CPC IPC+CPC Available in IPC and CPC
- B41J 19/16 Special spacing mechanisms for circular, spiral, or diagonal-printing apparatus IPC+CPC Available in IPC and CPC
- B41J 19/18 Character-spacing or back-spacing mechanisms; Carriage return or release devices therefor IPC+CPC Available in IPC and CPC
- B41J 19/76 Line-spacing mechanisms (special line-feeds, e.g. long feeds B41J11/36) 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