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CPC Main Group Additional Only
C03B 2207/00

Glass deposition burners

12 direct subcodes

Child Classifications

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  • C03B 2207/02 Elongated flat flame or slit-nozzle type
  • C03B 2207/40 Mechanical flame shields
  • C03B 2207/42 Assembly details; Material or dimensions of burner; Manifolds or supports
  • C03B 2207/46 Comprising performance enhancing means, e.g. electrostatic charge or built-in heater
  • C03B 2207/70 Control measures

Top Applicants

Top 10 applicants by patent filingsfor 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