Nonlinear oxygen-enriched injection method based on chaotic mapping and electronic device thereof
US-12492447-B2 · Dec 9, 2025 · US
This page is not indexed by search engines while we improve data quality.
Oxygen
Oxygen · 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 | F27D2003/164 |
| Official title | {Oxygen} |
| Display label | Oxygen |
| Total patents | 24 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2016 | 6 |
| 2017 | 2 |
| 2018 | 3 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 4 |
| 2024 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Refining vessel for high-temperature melt
US-11976340-B2 · May 7, 2024 · US
Nonlinear oxygen-enriched injection method based on chaotic mapping and electronic device thereof
US-2024102129-A1 · Mar 28, 2024 · US
Method for treating molten metals and/or slags in metallurgical baths and metallurgical plant for treating molten metals
US-2023416868-A1 · Dec 28, 2023 · US
Lance for blowing oxygen in steelmaking
US-2023366052-A1 · Nov 16, 2023 · US
Method for simultaneously injecting a fuel gas and an oxygen-rich gas into a unit
US-2023279516-A1 · Sep 7, 2023 · US
Long-life service method for powder-bottom-injecting converter based on collaborative hot replacement of furnace bottom and bottom purging brick
US-11667982-B2 · Jun 6, 2023 · US
Long-life service method for powder-bottom-injecting converter based on collaborative hot replacement of furnace bottom and bottom purging brick
US-2022235427-A1 · Jul 28, 2022 · US
Refining vessel for high-temperature melt
US-2022170123-A1 · Jun 2, 2022 · US
Tuyere for a basic oxygen furnace
US-11155890-B2 · Oct 26, 2021 · US
Tuyere for a basic oxygen furnace
US-2021017616-A1 · Jan 21, 2021 · US
Method for operating melting/refining furnace and melting-refining furnace
US-2020165692-A1 · May 28, 2020 · US
Method for operating a shaft furnace
US-10386119-B2 · Aug 20, 2019 · US
Lance and method for determining reaction data of the course of a reaction
US-10126286-B2 · Nov 13, 2018 · US
Converter
US-2018100207-A1 · Apr 12, 2018 · US
Method and apparatus for treating iron-contained raw material using bath smelting furnace
US-2018087120-A1 · Mar 29, 2018 · US
Lance and method for determining reaction data of the course of a reaction
US-2017269050-A1 · Sep 21, 2017 · US
Method for operating a shaft furnace
US-2017016673-A1 · Jan 19, 2017 · US
Methods for producing improved steels by injecting iron containing by-products of an iron ore production process into liquid steel
US-2016326606-A1 · Nov 10, 2016 · US
Smelting Process and Apparatus
US-2016312321-A1 · Oct 27, 2016 · US