Direct smelting vessel and cooler therefor
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Jul 17, 2012
Grant Date -
Feb 25, 2010
app pub date -
May 18, 2007
filing date -
May 18, 2006
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A direct smelting vessel and a hearth cooler element are disclosed. The vessel includes a refractory lined hearth. An inner surface of an upper part of the hearth extends upwardly and outwardly to side walls of the vessel. The upper part of the hearth incorporates a hearth cooler disposed outwardly behind the refractory lining of that part of the hearth and below the cooling panels on the side walls of the vessel. The hearth cooler comprises a plurality of cooler elements. Each cooler element has a hollow open-backed shell structure having base, top and side walls formed integrally in a cast structure and incorporating coolant flow passages.
First Claim
all claims..Other Claims data not available
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
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TATA STEEL LTD | INDIA GIAM SCHEDE BOOLEAN JAMSHEDPUR JHARKHAND |
International Classification(s)

- 2007 Application Filing Year
- C21C Class
- 55 Applications Filed
- 33 Patents Issued To-Date
- 60 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Medina, Hector | Melville, AU | 12 | 138 |
# of filed Patents : 12 Total Citations : 138 |
Cited Art Landscape
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Patent Citation Ranking
- 1 Citation Count
- C21C Class
- 23.81 % this patent is cited more than
- 13 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
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 |
Full Text

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