CPC Main Group Additional Only
C03C 2207/00 Compositions specially applicable for the manufacture of vitreous enamels
5 direct subcodes
Child Classifications
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- C03C 2207/02 containing ingredients for securing a good bond between the vitrified enamel and the metal
- C03C 2207/04 for steel
- C03C 2207/06 for cast iron
- C03C 2207/08 for light metals
- C03C 2207/10 for copper, silver or gold
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