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Search for IPC and CPC classification codes or keywords
CPC Main Group
C03B 33/00

Severing cooled glass (severing glass fibres C03B37/16)

6 direct subcodes

Child Classifications

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  • C03B 33/06 Cutting or splitting glass tubes, rods, or hollow products (C03B33/09 takes precedence)

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