IPC Main Group
C03B 19/00 Other methods of shaping glass
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- GLASS; MINERAL OR SLAG WOOL
- Subclass:
- MANUFACTURE OR SHAPING OF GLASS, OR OF MINERAL OR SLAG WOOL; SUPPLEMENTARY PROCESSES IN THE MANUFACTURE OR SHAPING OF GLASS, OR OF MINERAL OR SLAG WOOL
Related Keywords
SHAPING of glass by casting, centrifuging or foaming
9 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- C03B 19/01 by progressive fusion of powdered glass onto a shaping substrate, i.e. accretion
- C03B 19/02 by casting
- C03B 19/04 by centrifuging
- C03B 19/06 by sintering
- C03B 19/08 by foaming
- C03B 19/09 by fusing powdered glass in a shaping mould
- C03B 19/1 Forming beads
- C03B 19/12 by liquid-phase reaction processes
- C03B 19/14 by gas-phase reaction processes
Top Applicants
Top 10 applicants by patent filingsfor 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