IPC Main Group
B29C 51/00 Shaping by thermoforming, e.g. shaping sheets in matched moulds or by deep-drawing; 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 51/00 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
Related Keywords
(3) deep DRAWING(S) plastics or substances in a plastics state generalTHERMOFORMING plastics or substances in a plastic state in general
9 direct subcodes
Child Classifications
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- B29C 51/02 Combined thermoforming and manufacture of the preform
- B29C 51/04 Combined thermoforming and prestretching, e.g. biaxial stretching
- B29C 51/08 Deep-drawing or matched-mould forming, i.e. using mechanical means only
- B29C 51/1 Forming by pressure difference, e.g. vacuum
- B29C 51/12 of articles having inserts or reinforcements
- B29C 51/14 using multilayered preforms or sheets
- B29C 51/16 Lining or labelling
- B29C 51/18 Thermoforming apparatus
- B29C 51/26 Component parts, details or accessories; Auxiliary operations
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