by assembling preformed material

Introduced: January 1985

Full Title

Full titles differ between systems:

IPC:

Making preforms > by assembling preformed material

CPC:

Making preforms (B29C61/06 takes precedence ) > by assembling preformed material

No child classifications to compare. This is a leaf node in both 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