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 1/40 Inking devices operated by stamping movement
- 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
- SEIKO EPSON CORPORATION 8,446
- SEIKO EPSON CORPORATION JP 8,438
- HEWLETT-PACKARD DEVELOPMENT COMPANY US 7,828
- CANON JP 5,419
- CANON 4,156
- BROTHER INDUSTRIES JP 3,763
- BROTHER INDUSTRIES 2,779
- RICOH COMPANY JP 2,717
- FUJIFILM JP 2,423
- RICOH COMPANY 1,739