Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup
B41K 1/38

Inking devices; Stamping surfaces

Introduced: September 1968

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

IPC and CPC are identically structured here. All 7 subcodes exist in both systems.

Child Classifications

Navigate with arrow keys, Enter to open

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