by roller conveyors

Introduced: January 1980

Full Title

Full titles differ between systems:

IPC:

Transporting of glass products during their manufacture > Transporting hot glass sheets > by roller conveyors

CPC:

Transporting of glass products during their manufacture, (conveying systems for fragile sheets, e.g. glass B65G49/06) > Transporting hot glass sheets > by roller conveyors

CPC subdivides this area 8x more granularly than IPC with 7 additional codes.

7 codes are CPC-only extensions.

IPC defines codes here since 1980.

Child Classifications

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C03B 35/161 CPC only CPC only
C03B 35/162 CPC only CPC only
C03B 35/163 +1 CPC CPC only CPC only
C03B 35/165 CPC only CPC only
C03B 35/166 CPC only CPC only
C03B 35/167 CPC only CPC only
C03B 35/168 CPC only CPC only
C03B 35/18 Construction of the conveyor rollers since 1980 +8 CPC IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class C03,2013–2023, worldwide · Source: EPO PATSTAT

CORNING US 8,800
SAINT-GOBAIN GLASS FR 3,535
NIPPON ELECTRIC GLASS COMPANY JP 2,675
NIPPON ELECTRIC GLASS COMPANY 2,616
AGC JP 1,911
SCHOTT DE 1,846
ASAHI GLASS COMPANY JP 1,632
CORNING 1,556
A G C 1,250
SEKISUI CHEMICAL COMPANY JP 1,087

Top Applicants (CPC)

Class C03,2013–2023, worldwide · Source: EPO PATSTAT

CORNING US 9,559
SAINT-GOBAIN GLASS FR 3,824
NIPPON ELECTRIC GLASS COMPANY JP 2,792
SCHOTT DE 2,029
AGC JP 1,938
ASAHI GLASS COMPANY JP 1,679
CORNING 1,650
NIPPON ELECTRIC GLASS COMPANY 1,501
A G C 1,049
O-I (OWENS-ILLINOIS) US 1,027