After-treatment of articles without altering their shape; Apparatus therefor (B29C44/56, B29C73/00 take precedence; surface shaping B29C59/00 )

Introduced: January 1985

Title

Titles differ between systems:

IPC: After-treatment of articles without altering their shape; Apparatus therefor

CPC: After-treatment of articles without altering their shape; Apparatus therefor (B29C44/56, B29C73/00 take precedence; surface shaping B29C59/00 )

Full Title

Full titles differ between systems:

IPC:

After-treatment of articles without altering their shape; Apparatus therefor

CPC:

After-treatment of articles without altering their shape; Apparatus therefor (B29C44/56, B29C73/00 take precedence; surface shaping B29C59/00 )

Additional Content IPC

After-treatment of articles shaped by internal pressure generated in the material Surface shaping, e.g. embossing Repairing of articles

CPC subdivides this area 4x more granularly than IPC with 5 additional codes.

5 codes are CPC-only extensions.

IPC defines codes here since 1985.

Child Classifications

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B29C 71/0009 +5 CPC CPC only CPC only
B29C 71/0063 CPC only CPC only
B29C 71/0072 CPC only CPC only
B29C 71/0081 CPC only CPC only
B29C 71/009 CPC only CPC only
B29C 71/02 Thermal after-treatment since 1985 +3 CPC IPC+CPC Available in IPC and CPC
B29C 71/04 by wave energy or particle radiation since 1985 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

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

Top Applicants (CPC)

Class B29,2013–2023, worldwide · Source: EPO PATSTAT

HEWLETT-PACKARD DEVELOPMENT COMPANY US 4,167
BOEING COMPANY US 3,701
COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN FR 2,554
3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 2,240
TORAY INDUSTRIES JP 2,133
GE (GENERAL ELECTRIC COMPANY) US 2,069
BASF (BADISCHE ANILIN & SODA FABRIK) DE 2,028
LG CHEM KR 1,962
DOW GLOBAL TECHNOLOGIES US 1,896
CONTINENTAL REIFEN DE 1,725