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DIFF Main Group
B41F 1/00

Platen presses, i.e. presses in which printing is effected by at least one essentially-flat pressure-applying member co-operating with a flat type-bed

Introduced: September 1968

IPC and CPC are identically structured here. All 9 subcodes exist in both systems.

Child Classifications

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  • B41F 1/02 Hand-operated platen presses IPC+CPC Available in IPC and CPC
  • B41F 1/16 for offset printing IPC+CPC Available in IPC and CPC
  • B41F 1/18 for lithography IPC+CPC Available in IPC and CPC
  • B41F 1/20 for perfecting sheets, i.e. for printing on both sides of sheets IPC+CPC Available in IPC and CPC
  • B41F 1/22 specially adapted for printing heads, e.g. letter heads IPC+CPC Available in IPC and CPC
  • B41F 1/24 specially adapted for proof printing 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