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DIFF Main Group
B41F 31/00

Inking arrangements or devices (inking units for platen presses B41F1/40; inking units for cylinder presses B41F3/81)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Inking arrangements or devices

CPC: Inking arrangements or devices (inking units for platen presses B41F1/40; inking units for cylinder presses B41F3/81)

Full Title

Full titles differ between systems:

IPC:

Inking arrangements or devices

CPC:

Inking arrangements or devices (inking units for platen presses B41F1/40; inking units for cylinder presses B41F3/81)

Of 16 combined children, 10 exist in both systems.

6 codes are CPC-only extensions.

2 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • B41F 31/001 CPC only CPC only
  • B41F 31/002 CPC only CPC only
  • B41F 31/004 CPC only CPC only
  • B41F 31/005 CPC only CPC only
  • B41F 31/007 CPC only CPC only
  • B41F 31/008 CPC only CPC only
  • B41F 31/15 Devices for moving vibrator-rollers since 1995 IPC+CPC Available in IPC and CPC
  • B41F 31/16 Continuous, e.g. endless, band apparatus IPC+CPC Available in IPC and CPC
  • B41F 31/18 for inking selected parts of printing formes IPC+CPC Available in IPC and CPC
  • B41F 31/20 Ink-removing or collecting devices IPC+CPC Available in IPC and CPC
  • B41F 31/22 for inking from interior of cylinder IPC+CPC Available in IPC and CPC
  • B41F 31/24 Absorbent pads IPC+CPC Available in IPC and CPC
  • B41F 31/26 Construction of inking rollers (inking-rollers serving also to apply ink repellants in rotary lithographic machines B41F7/36) IPC+CPC Available in IPC and CPC
  • B41F 31/28 Spray apparatus 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