CPC Main Group
B41K 1/00 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
10 direct subcodes
Child Classifications
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- B41K 1/02 with one or more flat stamping surfaces having fixed images
- B41K 1/08 with a flat stamping surface and changeable characters
- B41K 1/22 with curved stamping surfaces for stamping by rolling contact
- B41K 1/26 with stamping surfaces adapted for application to non-flat surfaces
- B41K 1/30 for offset or intaglio stamping
- B41K 1/32 for stencilling
- B41K 1/34 for multicolour stamping
- B41K 1/36 Details
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