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DIFF Main Group
B41B 9/00

Details of, or accessories for, machines for mechanical composition using fixed combinations of matrices from which type is cast or moulded

Introduced: September 1968

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

Child Classifications

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  • B41B 9/02 Combinations of matrices IPC+CPC Available in IPC and CPC
  • B41B 9/04 Carriers for combinations of matrices, e.g. blocks, cylinders, wheels, bars IPC+CPC Available in IPC and CPC
  • B41B 9/06 Mechanisms for effecting relative movements of matrix carriers and moulds for character or space selection 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