Method for slag removal during metal processing
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Dec 11, 2018
Grant Date -
Nov 17, 2016
app pub date -
May 6, 2016
filing date -
May 14, 2015
priority date (Note) -
In Force
status (Latency Note)
Importance
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US Family Size
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Non-US Coverage
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Abstract
A method (110) for removing a quantity of slag (24) from hot metal (6) in a ladle (2) during a process of metal purification such as steelmaking using an improved skimmer paddle (100) having a system of internal piping (60) that at one end is attached to a source of gas and at a second end terminates into one or more ports (64). The improved skimmer (100) is moved along a top surface (6a) of the hot metal, though the quantity of slag, and predetermined flows of gas are forced into the piping system and expelled through the port or ports (64) to move the quantity of slag out from the back of ladle to be skimmed into a slag pot (4) to remove undesired impurities from the hot metal.
First Claim
Other Claims data not available
Family
| Country | kind | publication No. | Filing Date |
|---|---|---|---|
| WO | A1 | WO2016182892 | May 06, 2016 |
| US | B2 | US10132567 | May 06, 2016 |
International Classification(s)
- 2016 Application Filing Year
- F27D Class
- 299 Applications Filed
- 212 Patents Issued To-Date
- 70.91 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 2 Citation Count
- F27D Class
- 35.56 % this patent is cited more than
- 7 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Jun 11, 2026 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jun 11, 2030 |
