Method of producing molten iron using electric furnace including video device
US-12566029-B2 · Mar 3, 2026 · US
Preheating of scrap
Preheating of scrap · 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 | C21C5/565 |
| Official title | {Preheating of scrap} |
| Display label | Preheating of scrap |
| Total patents | 35 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 3 |
| 2017 | 5 |
| 2018 | 3 |
| 2019 | 2 |
| 2020 | 4 |
| 2021 | 1 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 6 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for producing molten iron using electric furnace
US-2025188553-A1 · Jun 12, 2025 · US
Method of producing molten iron
US-2025003684-A1 · Jan 2, 2025 · US
Scrap dryer and/or scrap preheater
US-12050060-B2 · Jul 30, 2024 · US
Video-device-equipped electric furnace
US-2024118032-A1 · Apr 11, 2024 · US
Method for producing molten iron using electric furnace provided with video device
US-2024093320-A1 · Mar 21, 2024 · US
Method of producing molten iron using electric furnace including video device
US-2024085110-A1 · Mar 14, 2024 · US
Method for producing molten iron using electric furnace
US-2024035102-A1 · Feb 1, 2024 · US
Apparatus and method for feeding and preheating a metal charge in a melting furnace
US-11867462-B2 · Jan 9, 2024 · US
Scrap dryer and/or scrap preheater
US-2023030899-A1 · Feb 2, 2023 · US
Fluidic burner with heat stability
US-11313554-B2 · Apr 26, 2022 · US
Apparatus and method for feeding and preheating a metal charge in a melting furnace
US-2022099373-A1 · Mar 31, 2022 · US
Method and system for determining the mass of feedstock on a conveyor
US-10935318-B2 · Mar 2, 2021 · US
Method for melting metal material in a melting plant and relative melting plant
US-10801083-B2 · Oct 13, 2020 · US
Fluidic burner with heat stability
US-2020080720-A1 · Mar 12, 2020 · US
Apparatus to move and preheat metal material
US-10584394-B2 · Mar 10, 2020 · US
Apparatus for heating and transferring metal materials for a melting plant, and method for melting metal materials
US-10571194-B2 · Feb 25, 2020 · US
Plant and method for melting metal materials
US-10356852-B2 · Jul 16, 2019 · US
Method and system for determining the mass of feedstock on a conveyor
US-2019011183-A1 · Jan 10, 2019 · US
Method and device for supplying energy into a scrap metal pile in an electric arc furnace
US-10151007-B2 · Dec 11, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C21C5/565?
- CPC C21C5/565 is the Cooperative Patent Classification code for “Preheating of scrap.”
- How many patents are filed under CPC C21C5/565 (Preheating of scrap)?
- Our database includes 35 publications tagged with this CPC code.
- Is patent activity under CPC C21C5/565 growing?
- Publication counts under this code: 6 in 2024 vs 2 in 2025 (latest complete years).