Mechanical auger recirculation well
US-2023055448-A1 · Feb 23, 2023 · US
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Introducing additives into the melt
Introducing additives into the melt · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F27D3/0026 |
| Official title | {Introducing additives into the melt} |
| Display label | Introducing additives into the melt |
| Total patents | 15 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2016 | 4 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 2 |
| 2022 | 4 |
| 2023 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electric furnace
US-11473841-B2 · Oct 18, 2022 · US
Optical cored wire immersion nozzle
US-11440081-B2 · Sep 13, 2022 · US
Continuous concentrate feeding equipment
US-11320204-B2 · May 3, 2022 · US
Continuous concentrate feeding equipment
US-2022049898-A1 · Feb 17, 2022 · US
Burner and fine solids feeding apparatus for a burner
US-10655842-B2 · May 19, 2020 · US
Electric furnace
US-2020064071-A1 · Feb 27, 2020 · US
Dual-function impeller for a rotary injector
US-10465987-B2 · Nov 5, 2019 · US
Optical cored wire immersion nozzle
US-2019201968-A1 · Jul 4, 2019 · US
Method and arrangement for adjusting characteristics of a furnace process in a furnace space and injection unit
US-2018245850-A1 · Aug 30, 2018 · US
Burner and fine solids feeding apparatus for a burner
US-2018224119-A1 · Aug 9, 2018 · US
Method and device for charging coal-containing material and iron carrier material
US-9470456-B2 · Oct 18, 2016 · US
Dual-Function Impeller for a Rotary Injector
US-2016238319-A1 · Aug 18, 2016 · US
A Solids Injection Lance
US-2016116215-A1 · Apr 28, 2016 · US
Flux injection assembly and method
US-9273376-B2 · Mar 1, 2016 · US