by heating, with or without pressure

Introduced: January 1985

Full Title

Full titles differ between systems:

IPC:

Joining of preformed parts; Apparatus therefor > by heating, with or without pressure

CPC:

Joining of preformed parts ; Apparatus therefor > by heating, with or without pressure

Of 11 combined children, 10 exist in both systems.

1 codes are CPC-only extensions.

3 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1985.

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B29C 65/022 +3 CPC CPC only CPC only
B29C 65/04 Dielectric heating, e.g. high-frequency welding since 1985 IPC+CPC Available in IPC and CPC
B29C 65/06 using friction, e.g. spin welding since 1985 +4 CPC IPC+CPC Available in IPC and CPC
B29C 65/08 using ultrasonic vibrations since 1985 +3 CPC IPC+CPC Available in IPC and CPC
B29C 65/10 using hot gases since 1985 +2 CPC IPC+CPC Available in IPC and CPC
B29C 65/14 using wave energy or particle radiation since 1985 +5 CPC IPC+CPC Available in IPC and CPC
B29C 65/18 using heated tools since 1985 IPC+CPC Available in IPC and CPC
B29C 65/34 using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" since 1985 +3 CPC IPC+CPC Available in IPC and CPC
B29C 65/38 Impulse heating since 1985 IPC+CPC Available in IPC and CPC
B29C 65/40 Applying molten plastics, e.g. hot melt (using welding bar B29C65/12; by moulding B29C65/70) since 1985 +1 CPC IPC+CPC Available in IPC and CPC
B29C 65/44 Joining a heated non plastics element to a plastics element since 1985 IPC+CPC Available in IPC and CPC

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

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