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CPC Subgroup Additional Only
C03B 2207/80

Feeding the burner or the burner-heated deposition site

Full Title

Glass deposition burners > Feeding the burner or the burner-heated deposition site

3 direct subcodes

Child Classifications

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  • C03B 2207/81 Constructional details of the feed line, e.g. heating, insulation, material, manifolds, filters
  • C03B 2207/90 with vapour generated from solid glass precursors, i.e. by sublimation

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