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Search for IPC and CPC classification codes or keywords
DIFF Subgroup
B41J 19/04

Sound-deadening or shock-absorbing devices or measures therein (B41J19/38 takes precedence)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Sound-deadening or shock-absorbing devices or measures therein

CPC: Sound-deadening or shock-absorbing devices or measures therein (B41J19/38 takes precedence)

Full Title

Full titles differ between systems:

IPC:

Character- or line-spacing mechanisms > Sound-deadening or shock-absorbing devices or measures therein

CPC:

Character- or line-spacing mechanisms > Sound-deadening or shock-absorbing devices or measures therein (B41J19/38 takes precedence)

IPC and CPC are identically structured here. All 4 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • B41J 19/06 Resilient mounting of mechanism IPC+CPC Available in IPC and CPC
  • B41J 19/08 Buffers, springs or like carriage stops IPC+CPC Available in IPC and CPC
  • B41J 19/10 Dash-pots IPC+CPC Available in IPC and CPC
  • B41J 19/12 Gearing made of special material or specially constructed to reduce sound or shock 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