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IPC Main Group
C03B 13/00

Rolling glass

Introduced: September 1968

Last revised: January 2006

Classification Context

Section:
CHEMISTRY; METALLURGY
Class:
GLASS; MINERAL OR SLAG WOOL
Subclass:
MANUFACTURE OR SHAPING OF GLASS, OR OF MINERAL OR SLAG WOOL; SUPPLEMENTARY PROCESSES IN THE MANUFACTURE OR SHAPING OF GLASS, OR OF MINERAL OR SLAG WOOL

10 direct subcodes

Child Classifications

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  • C03B 13/01 Rolling profiled glass articles
  • C03B 13/02 Rolling non-patterned sheets discontinuously
  • C03B 13/04 Rolling non-patterned sheets continuously
  • C03B 13/06 Rolling corrugated sheets
  • C03B 13/08 Rolling patterned sheets
  • C03B 13/1 Rolling multi-layer sheets
  • C03B 13/12 Rolling glass with enclosures, e.g. wire or asbestos
  • C03B 13/14 Rolling other articles
  • C03B 13/16 Construction of the glass rollers
  • C03B 13/18 Auxiliary means for rolling glass, e.g. sheet supports, gripping devices, hand-ladles, means for moving glass pots

Top Applicants

Top 10 applicants by patent filingsfor 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