CPC Main Group
B43L 25/00 Ink receptacles (liquid receptacles in general B65D, e.g. B65D1/00)
10 direct subcodes
Child Classifications
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- B43L 25/02 with separate dipping-cups
- B43L 25/08 with arrangements for dissolving ink powder
- B43L 25/10 with means for holding objects
- B43L 25/12 with pen-wiping means
Top Applicants
Top 10 applicants by patent filingsfor class B43, 2013–2023, worldwide · Source: EPO PATSTAT
- SOCIETE BIC FR 422
- MITSUBISHI PENCIL COMPANY JP 381
- PILOT CORPORATION JP 299
- MITSUBISHI PENCIL COMPANY 213
- PILOT CORPORATION 100
- WACOM COMPANY JP 89
- STAEDTLER MARS & COMPANY DE 87
- KOTOBUKI JP 82
- CRAYOLA US 78
- SANFORD US 73