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DIFF Subgroup
C03C 25/146

onto fibres in suspension in a gaseous medium (C03C25/143 takes precedence)

Introduced: January 2018

Title

Titles differ between systems:

IPC: onto fibres in suspension in a gaseous medium

CPC: onto fibres in suspension in a gaseous medium (C03C25/143 takes precedence)

Full Title

Full titles differ between systems:

IPC:

Surface treatment of fibres or filaments made from glass, minerals or slags > Coating > General methods of coating; Devices therefor > Spraying > onto fibres in suspension in a gaseous medium

CPC:

Surface treatment of fibres or filaments made from glass, minerals or slags > Coating > General methods of coating; Devices therefor > Spraying > onto fibres in suspension in a gaseous medium (C03C25/143 takes precedence)

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