Heating or curing, e.g. crosslinking or vulcanizing (cold vulcanisation B29C35/18 )

Introduced: January 1985

Title

Titles differ between systems:

IPC: Heating or curing, e.g. crosslinking or vulcanising

CPC: Heating or curing, e.g. crosslinking or vulcanizing (cold vulcanisation B29C35/18 )

Full Title

Full titles differ between systems:

IPC:

Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor > Heating or curing, e.g. crosslinking or vulcanising

CPC:

Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor (moulds with incorporated heating or cooling means B29C33/02 ; curing devices for plastics dental prostheses A61C13/14; before moulding B29B13/00) > Heating or curing, e.g. crosslinking or vulcanizing (cold vulcanisation B29C35/18 )

CPC subdivides this area 5x more granularly than IPC with 12 additional codes.

12 codes are CPC-only extensions.

Note: 3 CPC extensions are marked as secondary classification only.

IPC defines codes here since 1985.

Child Classifications

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B29C 2035/0211 2nd only CPC only CPC only
B29C 2035/0216 2nd only CPC only CPC only
B29C 2035/0283 2nd only CPC only CPC only
B29C 35/0222 CPC only CPC only
B29C 35/0227 +2 CPC CPC only CPC only
B29C 35/0244 +1 CPC CPC only CPC only
B29C 35/0255 CPC only CPC only
B29C 35/0261 CPC only CPC only
B29C 35/0266 CPC only CPC only
B29C 35/0272 CPC only CPC only
B29C 35/0277 CPC only CPC only
B29C 35/0288 +1 CPC CPC only CPC only
B29C 35/04 using liquids, gas or steam since 1985 +3 CPC IPC+CPC Available in IPC and CPC
B29C 35/08 by wave energy or particle radiation since 1985 +3 CPC IPC+CPC Available in IPC and CPC
B29C 35/12 Dielectric heating 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