Substrate processing apparatus
US-2026049768-A1 · Feb 19, 2026 · US
Cooling of furnaces
Cooling of furnaces · 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 | F27D2009/0002 |
| Official title | {Cooling of furnaces} |
| Display label | Cooling of furnaces |
| Total patents | 25 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 3 |
| 2017 | 1 |
| 2020 | 3 |
| 2021 | 1 |
| 2022 | 5 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Submerged feedstock charging of melting vessels
US-2025340474-A1 · Nov 6, 2025 · US
Submerged feedstock charging of melting vessels
US-12371361-B2 · Jul 29, 2025 · US
Device and method for magnesium smelting by vacuum carbothermal reduction of calcined dolomite
US-2025109457-A1 · Apr 3, 2025 · US
Shaft furnace condition monitoring
US-12071675-B2 · Aug 27, 2024 · US
Blast furnace for ironmaking production
US-2023366048-A1 · Nov 16, 2023 · US
Shaft furnace condition monitoring
US-2022356539-A1 · Nov 10, 2022 · US
Multizone crucible apparatus
US-2022267890-A1 · Aug 25, 2022 · US
Shaft furnace condition monitoring
US-11377701-B2 · Jul 5, 2022 · US
Submerged feedstock charging of melting vessels
US-2022098076-A1 · Mar 31, 2022 · US
Gas phase type heating method and gas phase type heating device
US-11262129-B2 · Mar 1, 2022 · US
Tube arrangement and furnace
US-11203720-B2 · Dec 21, 2021 · US
Shaft furnace condition monitoring
US-2020270711-A1 · Aug 27, 2020 · US
Gas phase type heating method and gas phase type heating device
US-2020141652-A1 · May 7, 2020 · US
Tube arrangement and furnace
US-2020087580-A1 · Mar 19, 2020 · US
Hearth and casting system
US-9539640-B2 · Jan 10, 2017 · US
Hearth and casting system
US-2016279699-A1 · Sep 29, 2016 · US
Hearth
US-9381571-B2 · Jul 5, 2016 · US
Hearth
US-2016082508-A1 · Mar 24, 2016 · US
Method for casting material
US-9221097-B2 · Dec 29, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F27D2009/0002?
- CPC F27D2009/0002 is the Cooperative Patent Classification code for “Cooling of furnaces.”
- How many patents are filed under CPC F27D2009/0002 (Cooling of furnaces)?
- Our database includes 25 publications tagged with this CPC code.
- Is patent activity under CPC F27D2009/0002 growing?
- Publication counts under this code: 1 in 2024 vs 3 in 2025 (latest complete years).