CPC Main Group Additional Only
B29L 2009/00 Layered products
Filing statistics
CPC B29L 2009/00 belongs to the parent subclass B29L, which recorded 169,017 patent applications worldwide between 2013 and 2023. Annual filings declined from 12,669 in 2013 to 10,917 in 2023 (-14%), peaking at 18,221 applications in 2017. 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
3 direct subcodes
Child Classifications
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Top Applicants
Top 10 applicants by patent filingsfor class B29, 2013–2023, worldwide · Source: EPO PATSTAT
- HEWLETT-PACKARD DEVELOPMENT COMPANY US 4,167
- BOEING COMPANY US 3,701
- COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN FR 2,554
- 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 2,240
- TORAY INDUSTRIES JP 2,133
- GE (GENERAL ELECTRIC COMPANY) US 2,069
- BASF (BADISCHE ANILIN & SODA FABRIK) DE 2,028
- LG CHEM KR 1,962
- DOW GLOBAL TECHNOLOGIES US 1,896
- CONTINENTAL REIFEN DE 1,725