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CPC Subgroup
B41K 1/38

Inking devices; Stamping surfaces

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 > Details > Inking devices; Stamping surfaces

7 direct subcodes

Child Classifications

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  • B41K 1/44 for offset, intaglio, or stencil stamping
  • B41K 1/46 for multicolour stamping
  • B41K 1/48 with ink ribbons, ink sheets, or carbon tape or paper
  • B41K 1/50 Stamping surfaces impregnated with ink, or made of material leaving a mark after stamping contact
  • B41K 1/52 Ink reservoirs, e.g. integral with stamp handles
  • B41K 1/54 Inking pads

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