B29C 35/00 Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
Introduced: January 1985
Last revised: January 2006
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- Subclass:
- SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
Filing statistics
IPC B29C 35/00 belongs to the parent subclass B29C, which recorded 798,253 patent applications worldwide between 2013 and 2023. Annual filings grew from 41,414 in 2013 to 85,002 in 2023 (+105%), peaking at 100,948 applications in 2020. The most active applicants in class B29 are HEWLETT-PACKARD DEVELOPMENT COMPANY (3,802 applications), BOEING COMPANY (3,087 applications) and COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN (2,315 applications).
Source: EPO PATSTAT, worldwide filings
Additional Content
Curing devices for plastics dental prostheses Conditioning or physical treatment of the material to be shaped Moulds with incorporated heating or cooling means
Related Keywords
3 direct subcodes
Child Classifications
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- B29C 35/02 Heating or curing, e.g. crosslinking or vulcanising
- B29C 35/16 Cooling
- B29C 35/18 Cold vulcanisation
Top Applicants
Top 10 applicants by patent filingsfor class B29, 2013–2023, worldwide · Source: EPO PATSTAT
- HEWLETT-PACKARD DEVELOPMENT COMPANY US 3,802
- BOEING COMPANY US 3,087
- COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN FR 2,315
- SUMITOMO RUBBER IND 1,784
- GE (GENERAL ELECTRIC COMPANY) US 1,663
- CANON 1,658
- 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 1,587
- TORAY INDUSTRIES JP 1,555
- BASF (BADISCHE ANILIN & SODA FABRIK) DE 1,470
- LG CHEM KR 1,415