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CPC Subgroup
B43L 17/08

Roller blotters

Full Title

Blotters (blotting pads B43L3/00; combined with writing implements B43K29/04; making blotting paper D21F11/14) > for reeled blotting-paper > Roller blotters

Filing statistics

CPC B43L 17/08 belongs to the parent subclass B43L, which recorded 10,447 patent applications worldwide between 2013 and 2023. Annual filings declined from 593 in 2013 to 523 in 2023 (-12%), peaking at 1,647 applications in 2018. The most active applicants in class B43 are SOCIETE BIC (422 applications), MITSUBISHI PENCIL COMPANY (381 applications) and PILOT CORPORATION (299 applications).

Source: EPO PATSTAT, worldwide filings

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