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CPC Main Group
B41J 17/00

Mechanisms for manipulating page-width impression-transfer material, e.g. carbon paper (in manifolding devices B41L)

9 direct subcodes

Child Classifications

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  • B41J 17/28 Arrangements of guides for the impression-transfer material
  • B41J 17/30 Constructions of guides for the impression-transfer material
  • B41J 17/32 Detachable carriers or holders for impression-transfer material mechanism
  • B41J 17/34 Backings for impression-transfer material, e.g. sheets for reducing friction, shields for preventing imprint
  • B41J 17/36 Alarms, indicators, or feed-disabling devices responsible to material breakage or exhaustion

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