CPC Main Group Additional Only
B29L 2023/00 Tubular articles (B29L2024/00 takes precedence )
10 direct subcodes
Child Classifications
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- B29L 2023/14 Cigar or cigarette holders
- B29L 2023/18 Pleated hoses
- B29L 2023/20 Flexible squeeze tubes, e.g. for cosmetics
- B29L 2023/24 Endless tubes, e.g. inner tubes for pneumatic tyres
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