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PCE
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DIFF Subgroup
B41J 1/24

the plane of the type or die face being perpendicular to the axis of rotation (B41J1/60 takes precedence)

Introduced: September 1968

Title

Titles differ between systems:

IPC: the plane of the type or die face being perpendicular to the axis of rotation

CPC: the plane of the type or die face being perpendicular to the axis of rotation (B41J1/60 takes precedence)

Full Title

Full titles differ between systems:

IPC:

Typewriters or selective printing mechanisms characterised by the mounting, arrangement or disposition of the types or dies > with types or dies mounted on carriers rotatable for selection > the plane of the type or die face being perpendicular to the axis of rotation

CPC:

Typewriters or selective printing mechanisms characterised by the mounting, arrangement or disposition of the types or dies > with types or dies mounted on carriers rotatable for selection > the plane of the type or die face being perpendicular to the axis of rotation (B41J1/60 takes precedence)

Of 5 combined children, 3 exist in both systems.

2 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • B41J 1/243 CPC only CPC only
  • B41J 1/246 CPC only CPC only
  • B41J 1/26 Carriers moving for impression (B41J1/27 takes precedence) IPC+CPC Available in IPC and CPC
  • B41J 1/27 Carriers moving during impression 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