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DIFF Subgroup
C03B 33/14

specially adapted for cutting tubes, rods, or hollow products

Introduced: January 1990

Title

Titles differ between systems:

IPC: specially adapted for cutting tubes, rods or hollow products

CPC: specially adapted for cutting tubes, rods, or hollow products

Full Title

Full titles differ between systems:

IPC:

Severing cooled glass > Glass-cutting tools, e.g. scoring tools > Hand tools > specially adapted for cutting tubes, rods or hollow products

CPC:

Severing cooled glass (severing glass fibres C03B37/16) > Glass-cutting tools, e.g. scoring tools > Hand tools (wheel design C03B33/107) > specially adapted for cutting tubes, rods, or hollow products

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