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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 33/30 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 33/52 Braking devices therefor
  • 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

  1. SEIKO EPSON CORPORATION 8,446
  2. SEIKO EPSON CORPORATION JP 8,438
  3. HEWLETT-PACKARD DEVELOPMENT COMPANY US 7,828
  4. CANON JP 5,419
  5. CANON 4,156
  6. BROTHER INDUSTRIES JP 3,763
  7. BROTHER INDUSTRIES 2,779
  8. RICOH COMPANY JP 2,717
  9. FUJIFILM JP 2,423
  10. RICOH COMPANY 1,739