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DIFF Subgroup
B41J 11/50

in which two or more papers or sets are separately fed in the same direction towards the printing position

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Devices or arrangements for supporting or handling copy material in sheet or web form > Apparatus for condensed record, tally strip, or like work using two or more papers, or sets of papers > in which two or more papers or sets are separately fed in the same direction towards the printing position

CPC:

Devices or arrangements for supporting or handling copy material in sheet or web form (script supports connected to the typewriter or printer B41J29/15) > Apparatus for condensed record, tally strip, or like work using two or more papers, or sets of papers > in which two or more papers or sets are separately fed in the same direction towards the printing position

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

IPC defines codes here since 1980.

Child Classifications

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  • B41J 11/51 with different feed rates since 1980 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