CPC Subgroup Additional Only
C03B 2207/04 Multi-nested ports
Full Title
Glass deposition burners > Multi-nested ports
7 direct subcodes
Child Classifications
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- C03B 2207/06 Concentric circular ports
- C03B 2207/08 Recessed or protruding ports
- C03B 2207/10 Split ports
- C03B 2207/12 Nozzle or orifice plates
- C03B 2207/14 Tapered or flared nozzles or ports angled to central burner axis
- C03B 2207/16 Non-circular ports, e.g. square or oval
- C03B 2207/18 Eccentric ports
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