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DIFF Subgroup
B41J 19/08

Buffers, springs or like carriage stops

Introduced: September 1968

Title

Titles differ between systems:

IPC: Buffers, springs, or like carriage stops

CPC: Buffers, springs or like carriage stops

Full Title

Full titles differ between systems:

IPC:

Character- or line-spacing mechanisms > Sound-deadening or shock-absorbing devices or measures therein > Buffers, springs, or like carriage stops

CPC:

Character- or line-spacing mechanisms > Sound-deadening or shock-absorbing devices or measures therein (B41J19/38 takes precedence) > Buffers, springs or like carriage stops

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