Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
IPC Subgroup
B29C 70/6

comprising a combination of distinct filler types incorporated in matrix material, forming one or more layers, and with or without non-filled layers

Introduced: January 1995

Last revised: January 2006

Full Title

Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts > comprising fillers only > comprising a combination of distinct filler types incorporated in matrix material, forming one or more layers, and with or without non-filled layers

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

Top Applicants

Top 10 applicants by patent filingsfor class B29, 2013–2023, worldwide · Source: EPO PATSTAT

  1. HEWLETT-PACKARD DEVELOPMENT COMPANY US 3,802
  2. BOEING COMPANY US 3,087
  3. COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN FR 2,315
  4. SUMITOMO RUBBER IND 1,784
  5. GE (GENERAL ELECTRIC COMPANY) US 1,663
  6. CANON 1,658
  7. 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 1,587
  8. TORAY INDUSTRIES JP 1,555
  9. BASF (BADISCHE ANILIN & SODA FABRIK) DE 1,470
  10. LG CHEM KR 1,415