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CPC Subgroup
B31C 7/10

on two or more mandrels

Full Title

Making conical articles by winding > Forming pointed cones > on two or more mandrels

Filing statistics

CPC B31C 7/10 belongs to the parent subclass B31C, which recorded 1,135 patent applications worldwide between 2013 and 2023. Annual filings declined from 76 in 2013 to 56 in 2023 (-26%), peaking at 181 applications in 2020. The most active applicants in class B31 are GPI (GRAPHIC PACKAGING INTERNATIONAL) (496 applications), P&G (PROCTER & GAMBLE COMPANY) (403 applications) and KIMBERLY-CLARK CORPORATION (332 applications).

Source: EPO PATSTAT, worldwide filings

Top Applicants

Top 10 applicants by patent filingsfor class B31, 2013–2023, worldwide · Source: EPO PATSTAT

  1. GPI (GRAPHIC PACKAGING INTERNATIONAL) US 496
  2. P&G (PROCTER & GAMBLE COMPANY) US 403
  3. KIMBERLY-CLARK CORPORATION US 332
  4. RANPAK CORPORATION US 279
  5. PULPAC SE 256
  6. BOBST MEX CH 251
  7. TETRA LAVAL HOLDINGS & FINANCE CH 246
  8. PREGIS INNOVATIVE PACKAGING US 210
  9. WESTROCK SHARED SERVICES US 204
  10. BHS CORRUGATED MASCHINEN- UND ANLAGENBAU DE 198