C21B 3/06

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Description

Class  C21B : MANUFACTURE OF IRON OR STEEL


Subclass 3/06: General features in the manufacture of pig-iron (mixers for pig-iron C21C 1/06) Recovery of by-products, e.g. slag Treatment of liquid slag (slag wool C03B; slag stones C04B)

Recent Patents

Patent #TitleFiling DateIssue DatePatent Owner
10493507 Method of renovating and afforesting slag mountain with humic acid substanceMar 05, 19Dec 03, 19China University of Petroleum (East China)
10174389 Method for treating desulfurization slagNov 27, 14Jan 08, 19voestalpine STAHL GmbH
9707569 Method and system for processing slag materialApr 03, 15Jul 18, 17MID-AMERICAN GUNITE, INC.
9663837 Device for recovering heat and fumes from slag resulting from the steel production cycleJun 03, 13May 30, 17G.A.P. S.P.A.
9581387 Method for iron-making with full oxygen and hydrogen-rich gas and equipment thereofFeb 13, 15Feb 28, 17CENTRAL IRON AND STEEL RESEARCH INSTITUTE, SHANDONG COKING GROUP CO., LTD., SHANDONG TIEXIONG METALLURGICAL TECHNOLOGY CO., LTD.,
9499872 Iron reduction process and equipmentFeb 07, 13Nov 22, 16VALEAS RECYCLING AB, VAL'EAS RECYCLING SOLUTIONS AB,
9371571 Granulation of metallurgical slagDec 14, 11Jun 21, 16PAUL WURTH S.A.
9085809 Steam condensation tower for a granulation installationSep 30, 11Jul 21, 15PAUL WURTH S.A.
9016477 Method and system for processing slag materialFeb 01, 13Apr 28, 15MID-AMERICAN GUNITE, INC.
8986601 Method for iron-making with full oxygen and hydrogen-rich gas and equipment thereofAug 30, 10Mar 24, 15CENTRAL IRON AND STEEL RESEARCH INSTITUTE, SHANDONG COKING GROUP CO., LTD., SHANDONG TIEXIONG METALLURGICAL TECHNOLOGY CO., LTD.,
8845989 Method of fixing carbon dioxideApr 06, 11Sep 30, 14HYUNDAI MOTOR COMPANY, HYUNDAI STEEL COMPANY, KIA MOTORS CORPORATION,
8324443 Secure containers having unidirectional apparatuses for used or unused materials and methods for making and using sameJun 11, 10Dec 04, 12SHARPS COMPLIANCE, INC.
8278495 System for decontamination of chemical weapons agents using solid sorbent with liquid decontamination solutionFeb 01, 08Oct 02, 12The United States of America as represented by the Secretary of the Army, THE UNITED STATES OF AMERICA,
7943083 Drum apparatus for treating slagAug 31, 05May 17, 11BAOSHAN IRON & STEEL CO., LTD.
7918776 Composition for disposing of unused medicinesNov 19, 07Apr 05, 11EARTH ECOCENTRIC, LLC
7812210 Refuse treatment plantMay 25, 05Oct 12, 10W. L. Gore & Associates GmbH
6685761 Method for producing beneficiated titanium oxidesMar 19, 03Feb 03, 04MIDREX TECHNOLOGIES, INC.
6676747 Method for producing puzzolanic binders for the cement industry from steel slags using a reduction metal bathOct 28, 02Jan 13, 04HOLCIM TECHNOLOGY LTD
6306195 Process for the preparation of high grade synthetic rutile and pig ironMar 24, 00Oct 23, 01COUNCIL OF SCIENTIFIC AND INDUSTRIAL RESEARCH

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Recent Publications

Publication #TitleFiling DatePub DatePatent Owner
2019/0071,741 High-temperature liquid slag granulating systemFeb 24, 17Mar 07, 19XI'AN JIAOTONG UNIVERSITY
2017/0145,527 System and Method for Forming Spherical Silica-Based Proppant and Pig Iron Utilizing Mining SlagNov 22, 16May 25, 17Premier Industries, LLC
2016/0160,303 EXHAUST GAS TREATMENT METHOD AND EXHAUST GAS TREATMENT FACILITYJul 24, 14Jun 09, 16NIPPON STEEL & SUMITOMO METAL CORPORATION

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