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PCE
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DIFF Subgroup
B41J 19/20

Positive-feed character-spacing mechanisms (controlled by escapements B41J19/52)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Positive-feed character-spacing mechanisms

CPC: Positive-feed character-spacing mechanisms (controlled by escapements B41J19/52)

Full Title

Full titles differ between systems:

IPC:

Character- or line-spacing mechanisms > Character-spacing or back-spacing mechanisms; Carriage-return or release devices therefor > Positive-feed character-spacing mechanisms

CPC:

Character- or line-spacing mechanisms > Character-spacing or back-spacing mechanisms; Carriage return or release devices therefor > Positive-feed character-spacing mechanisms (controlled by escapements B41J19/52)

Of 5 combined children, 4 exist in both systems.

1 codes are CPC-only extensions.

Child Classifications

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  • B41J 19/22 acting by friction or gripping effect IPC+CPC Available in IPC and CPC
  • B41J 19/32 Differential or variable-spacing arrangements IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class B41,2013–2023, worldwide · Source: EPO PATSTAT

  1. SEIKO EPSON CORPORATION 14,672
  2. CANON 14,153
  3. RICOH COMPANY 8,049
  4. SEIKO EPSON CORPORATION JP 8,044
  5. HEWLETT-PACKARD DEVELOPMENT COMPANY US 7,312
  6. BROTHER INDUSTRIES 6,887
  7. KYOCERA DOCUMENT SOLUTIONS 5,463
  8. CANON JP 5,001
  9. KONICA MINOLTA CORPORATION 4,512
  10. BROTHER INDUSTRIES JP 3,681

Top Applicants (CPC)

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