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DIFF Subgroup
C03B 9/19

having only one rotary table

Introduced: January 1980

Full Title

Full titles differ between systems:

IPC:

Blowing glass; Production of hollow glass articles > in gob feeder machines > in "blow" machines or in "blow-and-blow" machines > in machines with turn-over moulds > Rotary-table machines > having only one rotary table

CPC:

Blowing glass; Production of hollow glass articles > in gob feeder machines (C03B9/28, C03B9/29 take precedence) > in "blow" machines or in "blow-and-blow" machines (C03B9/193, C03B9/20 take precedence) > in machines with turn-over moulds > Rotary-table machines > having only one rotary table

No child classifications to compare. This is a leaf node in both 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