Uniting glass sheets (C03B23/24 takes precedence)

Introduced: January 1980

Title

Titles differ between systems:

IPC: Uniting glass sheets

CPC: Uniting glass sheets (C03B23/24 takes precedence)

Full Title

Full titles differ between systems:

IPC:

Re-forming shaped glass > Uniting glass pieces by fusing without substantial reshaping > Uniting glass sheets

CPC:

Re-forming shaped glass (re-forming fibres or filaments C03B37/14) > Uniting glass pieces by fusing without substantial reshaping > Uniting glass sheets (C03B23/24 takes precedence)

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