CPC Main Group
C03B 19/00 Other methods of shaping glass (manufacture or treatment of flakes, fibres or filaments from softened glass, minerals or slags C03B37/00)
9 direct subcodes
Child Classifications
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- 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 19/10 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 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