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PCE
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DIFF Subgroup
B41J 2/07

characterised by jet control (B41J2/205 takes precedence)

Introduced: January 1990

Title

Titles differ between systems:

IPC: characterised by jet control

CPC: characterised by jet control (B41J2/205 takes precedence)

Full Title

Full titles differ between systems:

IPC:

Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed > characterised by bringing liquid or particles selectively into contact with a printing material > Ink jet > characterised by jet control

CPC:

Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed (mounting, arrangement or disposition of types or dies B41J1/00) > characterised by bringing liquid or particles selectively into contact with a printing material (printing by selective application of impact or pressure on a printing or impression-transfer material B41J2/22) > Ink jet > characterised by jet control (B41J2/205 takes precedence)

Of 8 combined children, 7 exist in both systems.

1 codes are CPC-only extensions.

IPC defines codes here since 1990.

Child Classifications

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  • B41J 2/072 CPC only CPC only
  • B41J 2/105 for binary-valued deflection since 1990 IPC+CPC Available in IPC and CPC
  • B41J 2/11 for ink spray since 1990 IPC+CPC Available in IPC and CPC
  • B41J 2/115 synchronising the droplet separation and charging time since 1990 IPC+CPC Available in IPC and CPC
  • B41J 2/12 testing or correcting charge or deflection since 1990 IPC+CPC Available in IPC and CPC
  • B41J 2/125 Sensors, e.g. deflection sensors since 1990 IPC+CPC Available in IPC and CPC
  • B41J 2/13 for inclination of printed pattern since 1990 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