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DIFF Main Group
C03B 35/00

Transporting of glass products during their manufacture, (conveying systems for fragile sheets, e.g. glass B65G49/06)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Transporting of glass products during their manufacture

CPC: Transporting of glass products during their manufacture, (conveying systems for fragile sheets, e.g. glass B65G49/06)

Full Title

Full titles differ between systems:

IPC:

Transporting of glass products during their manufacture

CPC:

Transporting of glass products during their manufacture, (conveying systems for fragile sheets, e.g. glass B65G49/06)

Of 4 combined children, 3 exist in both systems.

1 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1980.

Child Classifications

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  • C03B 35/005 CPC only CPC only
  • C03B 35/26 Transporting of glass tubes or rods since 1980 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