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CPC
C21C2250/08
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Parent Industries
C
CHEMISTRY METALLURGY
C21
Iron metallurgy
C21C
PROCESSING OF PIG-IRON
C21C2250/00
Specific additives Means for adding material different from burners or lances
Current Industry
C21C2250/08
Porous plug
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Patents Grants
last 30 patents
Information
Patent Grant
Securing device for a cylindrical ceramic hollow body and fireproof...
Patent number
10,330,387
Issue date
Jun 25, 2019
Refractory Intellectual Property GmbH & Co. KG
Bojan Zivanovic
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Refractory purging devices
Patent number
9,469,882
Issue date
Oct 18, 2016
Vesuvius Crucible Company
Hans Rothfuss
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Method for exchangeably fastening a refractory purge plug or sleeve
Patent number
8,906,290
Issue date
Dec 9, 2014
Stopinc Aktiengesellschaft
Michael Klikovich
C21 - METALLURGY OF IRON
Information
Patent Grant
Low cost making of a low carbon, low sulfur, and low nitrogen steel...
Patent number
8,313,553
Issue date
Nov 20, 2012
Nucor Corporation
Jacobus Marthinus Andreas Geldenhuis
C21 - METALLURGY OF IRON
Information
Patent Grant
Low cost making of a low carbon, low sulfur, and low nitrogen steel...
Patent number
8,105,415
Issue date
Jan 31, 2012
Nucor Corporation
Gary McQuillis
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
REFRACTORY PURGING DEVICES
Publication number
20140300036
Publication date
Oct 9, 2014
Vesuvius Crucible Company
Hans Rothfuss
C21 - METALLURGY OF IRON
Information
Patent Application
Method for Exchangeably Fastening a Refractory Purge Plug or Sleeve...
Publication number
20110241268
Publication date
Oct 6, 2011
STOPINC AKTIENGESELLSCHAFT
Michael Klikovich
C21 - METALLURGY OF IRON
Information
Patent Application
TUYER DEVICE FOR INTRODUCING GAS MEDIA UNDER A LIQUID METAL LEVEL
Publication number
20110140321
Publication date
Jun 16, 2011
Edgar Schumacher
C21 - METALLURGY OF IRON
Information
Patent Application
LOW COST MAKING OF A LOW CARBON, LOW SULFUR, AND LOW NITROGEN STEEL...
Publication number
20100276102
Publication date
Nov 4, 2010
Nucor Corporation
Gary McQuillis
C21 - METALLURGY OF IRON
Information
Patent Application
LOW COST MAKING OF A LOW CARBON, LOW SULFUR, AND LOW NITROGEN STEEL...
Publication number
20100024596
Publication date
Feb 4, 2010
Nucor Corporation
Jacobus Marthinus Andreas Geldenhuis
C21 - METALLURGY OF IRON