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CPC Subgroup
B41L 3/02

with stationary clamping means for holding the manifolding assembly in registered position, e.g. resilient clamps for holding non-perforated sheets

Full Title

Platens or like sheet supports for manifolding using pressure-sensitive layers or intermediaries, e.g. for book-keeping purposes > with stationary clamping means for holding the manifolding assembly in registered position, e.g. resilient clamps for holding non-perforated sheets

Filing statistics

CPC B41L 3/02 belongs to the parent subclass B41L, which recorded 534 patent applications worldwide between 2013 and 2023. Annual filings declined from 54 in 2013 to 20 in 2023 (-63%), peaking at 86 applications in 2017. The most active applicants in class B41 are SEIKO EPSON CORPORATION (8,446 applications), SEIKO EPSON CORPORATION (8,438 applications) and HEWLETT-PACKARD DEVELOPMENT COMPANY (7,828 applications).

Source: EPO PATSTAT, worldwide filings

1 direct subcode

Child Classifications

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  • B41L 3/04 Bars provided with pins engaging perforations in the elements

Top Applicants

Top 10 applicants by patent filingsfor 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