CPC Main Group
C03B 7/00 Distributors for the molten glass; Means for taking-off charges of molten glass; Producing the gob
9 direct subcodes
Child Classifications
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- C03B 7/01 Means for taking-off charges of molten glass
- C03B 7/02 Forehearths, i.e. feeder channels
- C03B 7/08 Feeder spouts, e.g. gob feeders
- C03B 7/10 Cutting-off the glass flow with the aid of knives or scissors ; Construction of the blades used
- C03B 7/14 Transferring molten glass or gobs to glass blowing or pressing machines (C03B7/18 - C03B7/22 take precedence)
- C03B 7/18 Suction feeders
- C03B 7/20 Scoop feeders
- C03B 7/22 Gathering-devices in the form of rods or pipes
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