IPC Main Group
C03B 9/00 Blowing glass; Production of hollow glass articles
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
glass BLOWINGblowing BOTTLE(S) from glassMOULD(S) for shaping glassSHAPING of glass by blowing or moulding
9 direct subcodes
Child Classifications
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- C03B 9/02 with the mouth; Auxiliary means therefor
- C03B 9/08 Finish-blowing with compressed air of blanks blown with the mouth
- C03B 9/1 Blowing glass cylinders for sheet manufacture
- C03B 9/12 starting from a ribbon of glass; Ribbon machines
- C03B 9/13 in gob feeder machines
- C03B 9/2 in "vacuum blowing" or in "vacuum-and-blow" machines
- C03B 9/28 in machines of the endless-chain type
- C03B 9/29 Paste mould machines
- C03B 9/3 Details of blowing glass; Use of materials for the moulds
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