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IPC Main Group
B41J 29/00

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

Introduced: September 1968

Last revised: January 2006

Classification Context

Section:
PERFORMING OPERATIONS; TRANSPORTING
Class:
PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
Subclass:
TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS

21 direct subcodes

Child Classifications

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  • B41J 29/02 Framework
  • 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 29/1 Sound-deadening devices embodied in machines
  • B41J 29/14 Attachments operated by the leg, e.g. the foot or 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 29/4 Means for printing fixed, i.e. unchanging, matter in addition to selectable matter
  • B41J 29/5 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 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