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DIFF Subgroup
B41L 27/08

Troughs or like reservoirs with immersed, or partly immersed rollers

Introduced: September 1968

Title

Titles differ between systems:

IPC: Troughs or like reservoirs with immersed, or partly immersed, rollers

CPC: Troughs or like reservoirs with immersed, or partly immersed rollers

Full Title

Full titles differ between systems:

IPC:

Inking arrangements or devices > Ducts, containers, supply devices or ink-level control devices > Troughs or like reservoirs with immersed, or partly immersed, rollers

CPC:

Inking arrangements or devices (inking units for stencilling apparatus B41L13/18; applying liquids or other fluent materials to surfaces, in general B05) > Ducts, containers, or supply devices or ink-level control devices (level control in general G05D9/00) > Troughs or like reservoirs with immersed, or partly immersed rollers

No child classifications to compare. This is a leaf node in both 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