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PCE
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DIFF Subgroup
B41B 25/20

Auxiliary devices; Devices serving special purposes

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Apparatus specially adapted for preparation of record carriers for controlling composing machines > Auxiliary devices; Devices serving special purposes

CPC:

Apparatus specially adapted for preparation of record carriers for controlling composing machines (for casting individual characters or spaces, e.g. in type casting machines B41B7/04; methods for marking or reproducing record carriers having digital data thereon in general G06K1/00) > Auxiliary devices; Devices serving special purposes

IPC and CPC are identically structured here. All 3 subcodes exist in both systems.

Child Classifications

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  • B41B 25/22 for indicating length of line IPC+CPC Available in IPC and CPC
  • B41B 25/24 for error correction IPC+CPC Available in IPC and CPC
  • B41B 25/26 for changing the fount of type 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