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IPC Subgroup
C03B 35/06

Feeding of hot hollow glass products into annealing or heating kilns

Introduced: January 1980

Last revised: January 2006

Full Title

Transporting of glass products during their manufacture > Transporting of hot hollow glass products > Feeding of hot hollow glass products into annealing or heating kilns

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

3 direct subcodes

Child Classifications

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  • C03B 35/08 using rotary means directly acting on the products
  • C03B 35/1 using reciprocating means directly acting on the products, e.g. pushers, stackers
  • C03B 35/12 by picking-up and depositing

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