IPC Main Group
B29C 33/00 Moulds or cores; Details thereof or accessories 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
Related Keywords
MOULD(S) for shaping plastics or substances in a plastic state in general
12 direct subcodes
Child Classifications
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- B29C 33/02 with incorporated heating or cooling means
- B29C 33/1 with incorporated venting means
- B29C 33/12 with incorporated means for positioning inserts, e.g. labels
- B29C 33/2 Opening, closing or clamping
- B29C 33/3 Mounting, exchanging or centering
- B29C 33/34 movable, e.g. to or from the moulding station
- B29C 33/38 characterised by the material or the manufacturing process
- B29C 33/42 characterised by the shape of the moulding surface, e.g. ribs or grooves
- B29C 33/44 with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles
- B29C 33/56 Coatings; Releasing, lubricating or separating agents
- B29C 33/7 Maintenance
- B29C 33/76 Cores
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