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PCE
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DIFF Subgroup
C03B 7/08

Feeder spouts, e.g. gob feeders

Introduced: January 1980

Full Title

Distributors for the molten glass; Means for taking-off charges of molten glass; Producing the gob > Feeder spouts, e.g. gob feeders

IPC and CPC are identically structured here. All 7 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1990.

Child Classifications

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  • C03B 7/082 Pneumatic feeders since 1990 IPC+CPC Available in IPC and CPC
  • C03B 7/084 Tube mechanisms since 1990 IPC+CPC Available in IPC and CPC
  • C03B 7/086 Plunger mechanisms since 1990 IPC+CPC Available in IPC and CPC
  • C03B 7/088 Outlets, e.g. orifice rings since 1990 IPC+CPC Available in IPC and CPC
  • C03B 7/09 Spout blocks since 1990 IPC+CPC Available in IPC and CPC
  • C03B 7/092 Stirring devices; Homogenisation (C03B5/18 takes precedence) since 1990 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class C03,2013–2023, worldwide · Source: EPO PATSTAT

  1. CORNING US 8,800
  2. SAINT-GOBAIN GLASS FR 3,535
  3. NIPPON ELECTRIC GLASS COMPANY JP 2,675
  4. NIPPON ELECTRIC GLASS COMPANY 2,616
  5. AGC JP 1,911
  6. SCHOTT DE 1,846
  7. ASAHI GLASS COMPANY JP 1,632
  8. CORNING 1,556
  9. A G C 1,250
  10. SEKISUI CHEMICAL COMPANY JP 1,087

Top Applicants (CPC)

Class C03,2013–2023, worldwide · Source: EPO PATSTAT

  1. CORNING US 9,559
  2. SAINT-GOBAIN GLASS FR 3,824
  3. NIPPON ELECTRIC GLASS COMPANY JP 2,792
  4. SCHOTT DE 2,029
  5. AGC JP 1,938
  6. ASAHI GLASS COMPANY JP 1,679
  7. CORNING 1,650
  8. NIPPON ELECTRIC GLASS COMPANY 1,501
  9. A G C 1,049
  10. O-I (OWENS-ILLINOIS) US 1,027