Nozzles; Bushing nozzle plates

Introduced: January 1990

Last revised: January 2006

Full Title

Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags > Bushings; Spinnerettes; Nozzles or nozzle plates > Nozzles; Bushing nozzle plates

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

Top Applicants

Top 10 applicants by patent filingsfor class C03, 2013–2023, worldwide · Source: EPO PATSTAT

CORNING US 8,800
SAINT-GOBAIN GLASS FR 3,535
NIPPON ELECTRIC GLASS COMPANY JP 2,675
NIPPON ELECTRIC GLASS COMPANY 2,616
AGC JP 1,911
SCHOTT DE 1,846
ASAHI GLASS COMPANY JP 1,632
CORNING 1,556
A G C 1,250
SEKISUI CHEMICAL COMPANY JP 1,087