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CPC Subgroup
B41K 1/08

with a flat stamping surface and changeable characters

Full Title

Portable hand-operated devices without means for supporting or locating the articles to be stamped, i.e. hand stamps; Inking devices or other accessories therefor > with a flat stamping surface and changeable characters

Filing statistics

CPC B41K 1/08 belongs to the parent subclass B41K, which recorded 3,739 patent applications worldwide between 2013 and 2023. Annual filings grew from 177 in 2013 to 193 in 2023 (+9%), peaking at 520 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

4 direct subcodes

Child Classifications

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  • B41K 1/10 having movable type-carrying bands or chains
  • B41K 1/12 having adjustable type-carrying wheels
  • B41K 1/20 with means for locating the image to be obtained

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