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CPC Subgroup
B29C 51/145

Full Title

Shaping by thermoforming , e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor > using multilayered preforms or sheets

Filing statistics

CPC B29C 51/145 belongs to the parent subclass B29C, which recorded 482,920 patent applications worldwide between 2013 and 2023. Annual filings grew from 33,461 in 2013 to 35,822 in 2023 (+7%), peaking at 52,604 applications in 2018. The most active applicants in class B29 are HEWLETT-PACKARD DEVELOPMENT COMPANY (4,167 applications), BOEING COMPANY (3,701 applications) and COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN (2,554 applications).

Source: EPO PATSTAT, worldwide filings

Top Applicants

Top 10 applicants by patent filingsfor class B29, 2013–2023, worldwide · Source: EPO PATSTAT

  1. HEWLETT-PACKARD DEVELOPMENT COMPANY US 4,167
  2. BOEING COMPANY US 3,701
  3. COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN FR 2,554
  4. 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 2,240
  5. TORAY INDUSTRIES JP 2,133
  6. GE (GENERAL ELECTRIC COMPANY) US 2,069
  7. BASF (BADISCHE ANILIN & SODA FABRIK) DE 2,028
  8. LG CHEM KR 1,962
  9. DOW GLOBAL TECHNOLOGIES US 1,896
  10. CONTINENTAL REIFEN DE 1,725