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IPC Main Group
B41J 1/00

Typewriters or selective printing mechanisms characterised by the mounting, arrangement or disposition of the types or dies

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

Related Keywords

TYPE(S) for typewriters

8 direct subcodes

Child Classifications

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  • B41J 1/02 with separate or detached types or dies
  • B41J 1/16 with types or dies arranged in stationary or sliding cases or frames or upon flexible strips, plates, bars, or rods
  • B41J 1/18 with types or dies strung on wires or rods
  • B41J 1/2 with types or dies mounted on endless bands or the like
  • B41J 1/6 with types or dies on spherical, truncated-spherical, or like surfaces

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