CPC Main Group
B43K 8/00 Pens with writing-points other than nibs or balls (brushes with reservoir for supplying substances A46B11/00)
8 direct subcodes
Child Classifications
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- B43K 8/02 with writing-points comprising fibres, felt, or similar porous or capillary material (B43K8/22 takes precedence)
- B43K 8/14 with coreless tubular writing-points
- B43K 8/16 with tubular writing-points comprising a movable cleaning element
- B43K 8/20 with roller writing-points
- B43K 8/22 with electrically or magnetically activated writing-points
- B43K 8/24 characterised by the means for retracting writing-points
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