Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
CPC Subgroup
C03B 9/30

Details of blowing glass (for blowing with the mouth C03B9/02); Use of materials for the moulds

Full Title

Blowing glass; Production of hollow glass articles > Details of blowing glass (for blowing with the mouth C03B9/02); Use of materials for the moulds

10 direct subcodes

Child Classifications

Navigate with arrow keys, Enter to open

  • C03B 9/31 Blowing laminated glass articles or glass with enclosures, e.g. wires, bubbles
  • C03B 9/42 Means for fusing, burning-off, or edge-melting combined with glass-blowing machines (uniting glass pieces by fusing C03B23/20)
  • C03B 9/46 Means for cutting the hot glass in glass-blowing machines (burning-off C03B9/42)
  • C03B 9/48 Use of materials for the moulds

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