Method for blowing substitute reducing agents into a blast furnace

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10472689
APP PUB NO 20170234619A1
SERIAL NO

15504372

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

The present invention relates to a method for pneumatically blowing a powdery substitute reducing agent in a dense flow process, by means of a transport gas, into a gasification reactor, or via a tuyere into a blast furnace. The substitute reducing agent is gasified in a gasification reaction. The transport gas comprises a fuel gas, the constituents of which or the oxidation constituents of which are at least partly involved in the gasification reaction.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
HATCH KÜTTNER GMBHALFREDSTRASSE 28 ESSEN 45130

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bartels-Freiherr, Varnbüler von und zu Hemmingen Christian Düsseldorf, DE 1 2
Schott, Robin Krefeld, DE 1 2

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
7.5 Year Payment $3600.00 $1800.00 $900.00 May 12, 2027
11.5 Year Payment $7400.00 $3700.00 $1850.00 May 12, 2031
Fee Large entity fee small entity fee micro entity fee
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00