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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

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  • B41J 19/40 Escapements having a single pawl or like detent
  • 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

  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