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PCE
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DIFF Subgroup
B41B 17/24

with all characters

Introduced: September 1968

Full Title

Photographic composing machines having fixed or movable character carriers and without means for composing lines prior to photography > Details > Character carriers; Cleaning devices therefor > with all characters

IPC and CPC are identically structured here. All 5 subcodes exist in both systems.

Child Classifications

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  • B41B 17/26 on belts IPC+CPC Available in IPC and CPC
  • B41B 17/28 on polygonal rods IPC+CPC Available in IPC and CPC
  • B41B 17/30 on a sheet of square or rectangular shape IPC+CPC Available in IPC and CPC
  • B41B 17/32 on a flat disc IPC+CPC Available in IPC and CPC
  • B41B 17/34 on a cylinder 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