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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 11788159 B1

PDFFull Text
Date of Patent:
Oct. 17, 2023

Filed:

Mar. 23, 2021

Integration of dr plant and electric dri melting furnace for producing high performance iron

Applicant:

Midrex Technologies, Inc., Charlotte, NC (US);

Inventors:

Todd Michael Astoria, Harrisburg, NC (US);

Haruyasu Michishita, Charlotte, NC (US);

Assignee:

Midrex Technologies, Inc., Charlotte, NC (US);

Attorneys:

Clements Bernard Walker

Christopher L. Bernard

Christine Wilkes Beninati

Primary Examiner:

Brian D Walck

Assistant Examiner:

Danielle Carda

Int. Cl.
CPC ...
C21B 13/00 (2006.01); C21B 13/12 (2006.01); C21B 13/02 (2006.01); C21B 13/14 (2006.01);
U.S. Cl.
CPC ...
C21B 13/0073 (2013.01); C21B 13/0093 (2013.01); C21B 13/023 (2013.01); C21B 13/12 (2013.01); C21B 13/14 (2013.01); C21B 2100/44 (2017.05); C21B 2100/64 (2017.05); C21B 2100/66 (2017.05);
Abstract

A direct reduction process comprises providing a shaft furnace of a direct reduction plant to reduce iron oxide with reducing gas; providing a direct reduced iron melting furnace; and coupling a discharge chute between a discharge exit of the direct reduced shaft furnace and an inlet of the direct reduced iron melting furnace; wherein direct reduced iron and the reducing gas from the shaft furnace flow through the discharge chute and the reducing gas controls the melting furnace atmosphere to reducing environment.

Find Patent Forward Citations

Astoria, Todd. (2023). Integration of dr plant and electric dri melting furnace for producing high performance iron (U.S. Patent No. 11788159). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11788159

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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