Bottom stirring tuyere and method for a basic oxygen furnace
US-10781499-B2 · Sep 22, 2020 · US
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Manufacture of steel by other methods (making liquid steel by direct processes C21B13/00 {; C21C5/005 takes precedence})
Manufacture of steel by other methods (making liquid steel by direct processes C21B13/00 {; C21C5/005 takes precedence}) · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C21C5/56 |
| Official title | Manufacture of steel by other methods (making liquid steel by direct processes C21B13/00 {; C21C5/005 takes precedence}) |
| Display label | Manufacture of steel by other methods (making liquid steel by direct processes C21B13/00 {; C21C5/005 takes precedence}) |
| Total patents | 12 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Apparatus to move and preheat metal material
US-10584394-B2 · Mar 10, 2020 · US
Bottom stirring tuyere and method for a basic oxygen furnace
US-2019218631-A1 · Jul 18, 2019 · US
Plant and method for melting metal materials
US-10356852-B2 · Jul 16, 2019 · US
Lance Unblocking Method and Apparatus
US-2018038650-A1 · Feb 8, 2018 · US
Plant and method for melting metal materials
US-2017171919-A1 · Jun 15, 2017 · US
Apparatus to move and preheat metal material
US-2017121781-A1 · May 4, 2017 · US
Apparatus for conveying and pre-heating a metal charge for a melting plant and connected method
US-9638467-B2 · May 2, 2017 · US
Direct smelting process
US-9359656-B2 · Jun 7, 2016 · US
Apparatus for conveying and pre-heating a metal charge for a melting plant and connected method
US-9316444-B2 · Apr 19, 2016 · US
Apparatus for conveying and pre-heating a metal charge for a melting plant and connected method
US-2015308746-A1 · Oct 29, 2015 · US
Process for iron and steel production
US-9080244-B2 · Jul 14, 2015 · US