ClassID:

118849

C21C5/5205 - CPC Classification

Classification description:

Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel; Manufacture of steel in electric furnaces in a plasma heated furnace

Recent Application in this class:
#1
20250320570
2025-10-16

METHOD AND APPARATUS FOR METALS, ALLOYS, MATTES, OR ENRICHED AND CLEANED SLAGS PRODUCTION FROM PREDOMINANTLY OXIDE FEEDS

#2
20250188553
2025-06-12

METHOD FOR PRODUCING MOLTEN IRON USING ELECTRIC FURNACE

#3
20250122587
2025-04-17

METHOD FOR PRODUCING STEEL USING SUPER-PURE IRON ORE POWDER AND HYDROGEN

#4
20240052442
2024-02-15

STEEL PRODUCTION FROM IRON MELT

#5
20240035102
2024-02-01

METHOD FOR PRODUCING MOLTEN IRON USING ELECTRIC FURNACE

#6
20240026476
2024-01-25

METHOD AND APPARATUS FOR METALS, ALLOYS, MATTES, OR ENRICHED AND CLEANED SLAGS PRODUCTION FROM PREDOMINANTLY OXIDE FEEDS

#7
20200340085
2020-10-29

MOLTEN MANGANESE-CONTAINING STEEL PRODUCTION METHOD, HOLDING FURNACE, AND MOLTEN MANGANESE-CONTAINING STEEL PRODUCTION EQUIPMENT USING HOLDING FURNACE

#8
20160053350
2016-02-25

MOLTEN MANGANESE-CONTAINING STEEL PRODUCTION METHOD, HOLDING FURNACE, AND MOLTEN MANGANESE-CONTAINING STEEL PRODUCTION EQUIPMENT USING HOLDING FURNACE

#9
20120140786
2012-06-07

Method and furnace for melting steel scrap

#10
20120031232
2012-02-09

Method and apparatus for coproduction of pig iron and high quality syngas

#11
20110291333
2011-12-01

Method and device for introducing dust into a metal melt of a pyrometallurgical installation

#12
20110203412
2011-08-25

Method and furnace for melting steel scrap

#13
20110167959
2011-07-14

Method and device for introducing dust into a metal melt of a pyrometallurgical installation

#14
20110011211
2011-01-20

Metallurgical process and plant therefor

#15
20050012252
2005-01-20

Cold hearth and skull for refining metals which seal together to prevent overflow of molten metal therebetween

#16
18312205
2025-11-04

Method and system for injecting additional materials into a steelmaking vessel