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DIFF Main Group
C03B 11/00

Pressing glass

Introduced: September 1968

Of 8 combined children, 7 exist in both systems.

1 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • C03B 11/005 CPC only CPC only
  • C03B 11/02 in machines with rotary tables IPC+CPC Available in IPC and CPC
  • C03B 11/04 in machines with moulds fed by suction IPC+CPC Available in IPC and CPC
  • C03B 11/05 in machines with reciprocating moulds since 1980 IPC+CPC Available in IPC and CPC
  • C03B 11/14 with metal inserts IPC+CPC Available in IPC and CPC
  • C03B 11/16 Gearing or controlling mechanisms specially adapted for glass presses IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

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

Top Applicants (CPC)

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