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CPC Subgroup
C03B 25/093

being in a horizontal position on a fluid support, e.g. a gas or molten metal

Full Title

Annealing glass products > in a continuous way > with horizontal displacement of the glass products > of glass sheets > being in a horizontal position on a fluid support, e.g. a gas or molten metal

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