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CPC Main Group
B41J 29/00

Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for

21 direct subcodes

Child Classifications

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  • B41J 29/04 Means for attaching machines to baseboards
  • B41J 29/06 Special supports, platforms or trolleys for supporting machines on tables
  • B41J 29/08 Sound-deadening, or shock-absorbing stands, supports, cases or pads separate from machines
  • B41J 29/10 Sound-deadening devices embodied in machines
  • B41J 29/14 Attachments operated by the leg, e.g. the foot, the knee
  • B41J 29/15 Script supports connected to the typewriter or printer
  • B41J 29/16 Auxiliary receptacles for articles, e.g. erasers, pencils
  • B41J 29/17 Cleaning arrangements
  • B41J 29/377 Cooling or ventilating arrangements
  • B41J 29/40 Means for printing fixed, i.e. unchanging, matter in addition to selectable matter
  • B41J 29/50 Side-stop mechanisms
  • B41J 29/52 Top-and-bottom stop mechanisms

Top Applicants

Top 10 applicants by patent filingsfor 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