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DIFF Main Group
B41L 25/00

Devices for damping printing surfaces, e.g. moistening printing surfaces in connection with lithographic printing (applying liquids or other fluent materials to surfaces in general B05)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Devices for damping printing surfaces, e.g. moistening printing surfaces in connection with lithographic printing

CPC: Devices for damping printing surfaces, e.g. moistening printing surfaces in connection with lithographic printing (applying liquids or other fluent materials to surfaces in general B05)

Full Title

Full titles differ between systems:

IPC:

Devices for damping printing surfaces, e.g. moistening printing surfaces in connection with lithographic printing

CPC:

Devices for damping printing surfaces, e.g. moistening printing surfaces in connection with lithographic printing (applying liquids or other fluent materials to surfaces in general B05)

Of 10 combined children, 9 exist in both systems.

1 codes are CPC-only extensions.

Child Classifications

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  • B41L 25/005 CPC only CPC only
  • B41L 25/02 using friction rollers IPC+CPC Available in IPC and CPC
  • B41L 25/04 using brushes IPC+CPC Available in IPC and CPC
  • B41L 25/06 using spraying elements IPC+CPC Available in IPC and CPC
  • B41L 25/08 using endless bands IPC+CPC Available in IPC and CPC
  • B41L 25/10 using absorbent pads IPC+CPC Available in IPC and CPC
  • B41L 25/12 Ducts, containers, or like supply devices for liquids IPC+CPC Available in IPC and CPC
  • B41L 25/14 Inking rollers serving also to apply ink repellants IPC+CPC Available in IPC and CPC
  • B41L 25/16 Devices for tripping or lifting damping rollers; Supporting, adjusting, or removing arrangements therefor IPC+CPC Available in IPC and CPC
  • B41L 25/18 Construction of damping rollers 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