IPC Main Group
C03B 11/00 Pressing 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 pressing
7 direct subcodes
Child Classifications
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- C03B 11/02 in machines with rotary tables
- C03B 11/04 in machines with moulds fed by suction
- C03B 11/05 in machines with reciprocating moulds
- C03B 11/06 Construction of plunger or mould
- C03B 11/12 Cooling, heating, or insulating the plunger, the mould, or the glass-pressing machine
- C03B 11/14 with metal inserts
- C03B 11/16 Gearing or controlling mechanisms specially adapted for glass presses
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