Skip hoist of a blast furnace
US-2022325367-A1 · Oct 13, 2022 · US
Charging or loading melting furnaces with material in the solid state
Charging or loading melting furnaces with material in the solid state · 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 | F27D3/0025 |
| Official title | {Charging or loading melting furnaces with material in the solid state} |
| Display label | Charging or loading melting furnaces with material in the solid state |
| Total patents | 70 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 12 |
| 2016 | 13 |
| 2017 | 5 |
| 2018 | 10 |
| 2019 | 9 |
| 2020 | 6 |
| 2021 | 3 |
| 2022 | 4 |
| 2023 | 2 |
| 2024 | 3 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Decompression heat-insulating pipe structure
US-11333289-B2 · May 17, 2022 · US
Apparatus and method for feeding material
US-11167347-B2 · Nov 9, 2021 · US
Continuous concentrate feeding equipment
US-2021331880-A1 · Oct 28, 2021 · US
Oxy-fuel combustion system and method for melting a pelleted charge material
US-11060792-B2 · Jul 13, 2021 · US
Method and arrangement for operating a metallurgical furnace and computer program product
US-10809746-B2 · Oct 20, 2020 · US
Method for melting metal material in a melting plant and relative melting plant
US-10801083-B2 · Oct 13, 2020 · US
Charging system, in particular for a shaft smelt reduction furnace
US-2020318207-A1 · Oct 8, 2020 · US
Decompression heat-insulating pipe structure
US-10711939-B2 · Jul 14, 2020 · US
Method for operating melting/refining furnace and melting-refining furnace
US-2020165692-A1 · May 28, 2020 · US
On-line aluminum scrap remelting device and process
US-2020131601-A1 · Apr 30, 2020 · US
Method and arrangement for feeding fine-grained matter to a concentrate or matte burner of a suspension smelting furnace
US-10451350-B2 · Oct 22, 2019 · US
Decompression heat-insulating pipe structure
US-10443776-B2 · Oct 15, 2019 · US
Apparatus and method for feeding material
US-2019308240-A1 · Oct 10, 2019 · US
Oxy-Fuel Combustion System and Method for Melting a Pelleted Charge Material
US-2019293351-A1 · Sep 26, 2019 · US
Scrap submergence device
US-2019226764-A1 · Jul 25, 2019 · US
Pressure-Regulated Melting of Solids with a Melting Device
US-2019170442-A1 · Jun 6, 2019 · US
Pressure-Regulated Melting of Solids with Warm Fluids
US-2019170441-A1 · Jun 6, 2019 · US
Pressure-Regulated Melting of Solids
US-2019170440-A1 · Jun 6, 2019 · US
Inline melt control via RF power
US-10197335-B2 · Feb 5, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F27D3/0025?
- CPC F27D3/0025 is the Cooperative Patent Classification code for “Charging or loading melting furnaces with material in the solid state.”
- How many patents are filed under CPC F27D3/0025 (Charging or loading melting furnaces with material in the solid state)?
- Our database includes 70 publications tagged with this CPC code.
- Is patent activity under CPC F27D3/0025 growing?
- Publication counts under this code: 3 in 2024 vs 2 in 2025 (latest complete years).