Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
IPC Main Group
C03B 9/00

Blowing glass; Production of hollow glass articles

Introduced: September 1968

Last revised: January 2006

Classification Context

Section:
CHEMISTRY; METALLURGY
Class:
GLASS; MINERAL OR SLAG WOOL
Subclass:
MANUFACTURE OR SHAPING OF GLASS, OR OF MINERAL OR SLAG WOOL; SUPPLEMENTARY PROCESSES IN THE MANUFACTURE OR SHAPING OF GLASS, OR OF MINERAL OR SLAG WOOL

Related Keywords

glass BLOWINGblowing BOTTLE(S) from glassMOULD(S) for shaping glassSHAPING of glass by blowing or moulding

9 direct subcodes

Child Classifications

Navigate with arrow keys, Enter to open

  • C03B 9/08 Finish-blowing with compressed air of blanks blown with the mouth
  • C03B 9/1 Blowing glass cylinders for sheet manufacture
  • C03B 9/12 starting from a ribbon of glass; Ribbon machines
  • C03B 9/28 in machines of the endless-chain type

Top Applicants

Top 10 applicants by patent filingsfor class C03, 2013–2023, worldwide · Source: EPO PATSTAT

  1. CORNING US 8,800
  2. SAINT-GOBAIN GLASS FR 3,535
  3. NIPPON ELECTRIC GLASS COMPANY JP 2,675
  4. NIPPON ELECTRIC GLASS COMPANY 2,616
  5. AGC JP 1,911
  6. SCHOTT DE 1,846
  7. ASAHI GLASS COMPANY JP 1,632
  8. CORNING 1,556
  9. A G C 1,250
  10. SEKISUI CHEMICAL COMPANY JP 1,087