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IPC Main Group
B41F 31/00

Inking arrangements or devices

Introduced: September 1968

Last revised: January 2006

Classification Context

Section:
PERFORMING OPERATIONS; TRANSPORTING
Class:
PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
Subclass:
PRINTING MACHINES OR PRESSES

10 direct subcodes

Child Classifications

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  • B41F 31/15 Devices for moving vibrator-rollers
  • B41F 31/16 Continuous, e.g. endless, band apparatus
  • B41F 31/18 for inking selected parts of printing formes
  • B41F 31/2 Ink-removing or collecting devices
  • B41F 31/22 for inking from interior of cylinder
  • B41F 31/24 Absorbent pads
  • B41F 31/26 Construction of inking rollers
  • B41F 31/28 Spray apparatus, e.g. containing brushes

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