CPC Subgroup
B41J 19/80 Pawl-and-ratchet mechanisms
Full Title
Character- or line-spacing mechanisms > Line-spacing mechanisms (special line-feeds, e.g. long feeds B41J11/36) > Positive-feed mechanisms > Pawl-and-ratchet mechanisms
3 direct subcodes
Child Classifications
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- B41J 19/82 moving a paper or like carriage
- B41J 19/88 moving a type carriage
- B41J 19/90 moving a paper or like web or strip, e.g. over a stationary support, automatically in response to movements other than carriage return
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