IPC Main Group
B29B 17/00 Recovery of plastics or other constituents of waste material containing plastics
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:
- PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
Related Keywords
recovering used PLASTICSrecovering plastics
2 direct subcodes
Child Classifications
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- B29B 17/02 Separating plastics from other materials
- B29B 17/04 Disintegrating plastics
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