CPC Main Group
B43K 29/00 Combinations of writing implements with other articles
17 direct subcodes
Child Classifications
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- B43K 29/007 with advertising means
- B43K 29/013 with stamping means
- B43K 29/02 with rubbers
- B43K 29/04 with blotters
- B43K 29/05 with applicators for eradicating- or correcting-liquid
- B43K 29/06 with sharpening devices (with erasing knives B43K29/18; pocket knives with pencils B26B)
- B43K 29/08 with measuring, computing or indicating devices
- B43K 29/10 with illuminating devices
- B43K 29/12 with memorandum appliances (with book covers B42D)
- B43K 29/16 with lighters
- B43K 29/18 with hand tools, e.g. erasing knives (with pocket knives B26B)
- B43K 29/20 with other articles having storage compartments (with lighters B43K29/16; writing implements functioning as, or combined with, writing implement receptacles B43K31/00)
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