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IPC Subgroup
B29C 41/02

for making articles of definite length, i.e. discrete articles

Introduced: January 1985

Last revised: January 2006

Full Title

Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor > for making articles of definite length, i.e. discrete articles

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

8 direct subcodes

Child Classifications

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  • B29C 41/12 Spreading-out the material on a substrate
  • B29C 41/14 Dipping a core
  • B29C 41/16 Slip casting, i.e. applying a slip or slurry on a perforated or porous or absorbent surface with the liquid being drained away
  • B29C 41/18 Slush casting, i.e. pouring moulding material into a hollow mould with excess material being poured off
  • B29C 41/2 incorporating preformed parts or layers, e.g. moulding around inserts or for coating articles
  • B29C 41/22 Making multilayered or multicoloured articles

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