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CPC Main Group
B43K 23/00

Holders or connectors for writing implements; Means for protecting the writing-points

8 direct subcodes

Child Classifications

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  • B43K 23/004 Holders specially adapted for assisting handicapped or disabled persons to write (B43L15/00 takes precedence)
  • B43K 23/008 Holders comprising finger grips (B43K23/004, B43K23/012 take precedence)
  • B43K 23/012 Holders for attachment to finger tips (B43K23/004 takes precedence)
  • B43K 23/016 Holders for crayons or chalks (B43K23/004 - B43K23/012, B43K23/02 take precedence)
  • B43K 23/06 Means for connecting two or more writing implements

Top Applicants

Top 10 applicants by patent filingsfor class B43, 2013–2023, worldwide · Source: EPO PATSTAT

  1. SOCIETE BIC FR 422
  2. MITSUBISHI PENCIL COMPANY JP 381
  3. PILOT CORPORATION JP 299
  4. MITSUBISHI PENCIL COMPANY 213
  5. PILOT CORPORATION 100
  6. WACOM COMPANY JP 89
  7. STAEDTLER MARS & COMPANY DE 87
  8. KOTOBUKI JP 82
  9. CRAYOLA US 78
  10. SANFORD US 73