Method for the pyrometallurgical smelting of metal-containing raw materials, waste materials and/or secondary waste materials
US-12529125-B2 · Jan 20, 2026 · US
the fluid being a neutral gas
the fluid being a neutral gas · 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 | F27D2003/167 |
| Official title | {the fluid being a neutral gas} |
| Display label | the fluid being a neutral gas |
| Total patents | 30 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 4 |
| 2017 | 4 |
| 2018 | 3 |
| 2019 | 4 |
| 2020 | 1 |
| 2021 | 5 |
| 2022 | 3 |
| 2023 | 2 |
| 2024 | 2 |
| 2026 | 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
Method for the pyrometallurgical smelting of metal-containing raw materials, waste materials and/or secondary waste materials
US-2024002975-A1 · Jan 4, 2024 · US
Gas injection nozzle refractory and gas injection nozzle
US-11821691-B2 · Nov 21, 2023 · US
Furnace assembly for a metal-making process
US-11543182-B2 · Jan 3, 2023 · US
Gas purging plug, gas purging system, method for characterization of a gas purging plug and method for purging a metal melt
US-11408040-B2 · Aug 9, 2022 · US
Refining vessel for high-temperature melt
US-2022170123-A1 · Jun 2, 2022 · US
Gas injection nozzle refractory and gas injection nozzle
US-2022003500-A1 · Jan 6, 2022 · US
Tuyere for a basic oxygen furnace
US-11155890-B2 · Oct 26, 2021 · US
Gas purging plug, gas purging system, method for characterization of a gas purging plug and method for purging a metal melt
US-2021164065-A1 · Jun 3, 2021 · US
Furnace Assembly For A Metal-Making Process
US-2021164731-A1 · Jun 3, 2021 · US
Furnace assembly for a metal-making process
US-10921060-B2 · Feb 16, 2021 · US
Tuyere for a basic oxygen furnace
US-2021017616-A1 · Jan 21, 2021 · US
Bottom stirring tuyere and method for a basic oxygen furnace
US-10781499-B2 · Sep 22, 2020 · US
Furnace Assembly For A Metal-Making Process
US-2019390908-A1 · Dec 26, 2019 · US
Bottom stirring tuyere and method for a basic oxygen furnace
US-2019218631-A1 · Jul 18, 2019 · US
Securing device for a cylindrical ceramic hollow body and fireproof ceramic gas purging brick having such type of securing device
US-10330387-B2 · Jun 25, 2019 · US
Vortex well inerting
US-10247479-B2 · Apr 2, 2019 · US
Lance and method for determining reaction data of the course of a reaction
US-10126286-B2 · Nov 13, 2018 · US
System and method for degassing molten metal
US-9909808-B2 · Mar 6, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F27D2003/167?
- CPC F27D2003/167 is the Cooperative Patent Classification code for “the fluid being a neutral gas.”
- How many patents are filed under CPC F27D2003/167 (the fluid being a neutral gas)?
- Our database includes 30 publications tagged with this CPC code.
- Is patent activity under CPC F27D2003/167 growing?
- Publication counts under this code: 2 in 2023 vs 2 in 2024 (latest complete years).