CPC Subgroup
B41J 19/34 Escapement-feed character-spacing mechanisms
Full Title
Character- or line-spacing mechanisms > Character-spacing or back-spacing mechanisms; Carriage return or release devices therefor > Escapement-feed character-spacing mechanisms
8 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- B41J 19/36 Driving mechanisms, e.g. springs stressed during carriage return
- B41J 19/40 Escapements having a single pawl or like detent
- B41J 19/42 Escapements having two pawls or like detents
- B41J 19/50 Electromagnetically-controlled escapements
- B41J 19/52 Escapements controlling positive-feed mechanism
- B41J 19/54 Construction of universal bars
- B41J 19/56 Escapements controlling web or strip feed
- B41J 19/58 Differential or variable-spacing arrangements
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