CPC Subgroup
B41J 33/14 Ribbon-feed devices or mechanisms
Full Title
Apparatus or arrangements for feeding ink ribbons or like character-size impression-transfer material > Ribbon-feed devices or mechanisms
11 direct subcodes
Child Classifications
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- B41J 33/16 with drive applied to spool or spool spindle
- B41J 33/24 with drive applied directly to ribbon
- B41J 33/30 Escapement mechanisms
- B41J 33/32 Electromagnetic devices
- B41J 33/34 driven by motors independently of the machine as a whole
- B41J 33/36 with means for adjusting feeding rate
- B41J 33/38 Slow, e.g. "creep", feed mechanisms
- B41J 33/40 with arrangements for reversing the feed direction
- B41J 33/52 Braking devices therefor
- B41J 33/54 for ensuring maximum life of the ribbon (B41J33/38 takes precedence)
- B41J 33/60 responsive to telegraph code or other extraneous signals
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