Method for heating a furnace
US-2026029198-A1 · Jan 29, 2026 · US
using regenerative heat exchangers
using regenerative heat exchangers · 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 | F27D17/13 |
| Official title | using regenerative heat exchangers |
| Display label | using regenerative heat exchangers |
| Total patents | 30 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 4 |
| 2021 | 1 |
| 2022 | 5 |
| 2023 | 2 |
| 2024 | 3 |
| 2025 | 5 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
High-speed jet and radiation combined heating device and rapid heating method thereof
US-2025388991-A1 · Dec 25, 2025 · US
Furnace system
US-2025327573-A1 · Oct 23, 2025 · US
Total heat energy recovery system for furnace-process phosphoric acid
US-12398039-B2 · Aug 26, 2025 · US
Method for operating a fired furnace and arrangement comprising such a furnace
US-12330979-B2 · Jun 17, 2025 · US
Enhancement of thermochemical regeneration operation
US-12203705-B2 · Jan 21, 2025 · US
Parallel-flow regenerative shaft kiln and method for burning carbonate rock
US-2024361074-A1 · Oct 31, 2024 · US
Method for heating a furnace
US-2024263881-A1 · Aug 8, 2024 · US
Method for operating a blast furnace plant
US-2024077255-A1 · Mar 7, 2024 · US
Regenerators with pressurized cavity in partition walls
US-11656029-B2 · May 23, 2023 · US
Flue gas recycle method for thermochemical regeneration
US-11543183-B2 · Jan 3, 2023 · US
Method for operating a fired furnace and arrangement comprising such a furnace
US-2022348489-A1 · Nov 3, 2022 · US
Thermochemical regeneration with oxidant preheating
US-11473843-B2 · Oct 18, 2022 · US
Method of recycling heat
US-11441844-B2 · Sep 13, 2022 · US
Total Heat Energy Recovery System For Furnace-Process Phosphoric Acid
US-2022281747-A1 · Sep 8, 2022 · US
Method for operating a batch furnace comprising the preheating of a fluid upstream of the furnace
US-11378338-B2 · Jul 5, 2022 · US
Method of recycling heat
US-2021055053-A1 · Feb 25, 2021 · US
Regenerators with pressurized cavity in partition walls
US-10746469-B2 · Aug 18, 2020 · US
Continuous low oxygen and high temperature combustion aluminum melting furnace with porous injection pipe heat exchanger
US-10724797-B2 · Jul 28, 2020 · US
Reduction of regenerator clogging
US-10712092-B2 · Jul 14, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F27D17/13?
- CPC F27D17/13 is the Cooperative Patent Classification code for “using regenerative heat exchangers.”
- How many patents are filed under CPC F27D17/13 (using regenerative heat exchangers)?
- Our database includes 30 publications tagged with this CPC code.
- Is patent activity under CPC F27D17/13 growing?
- Publication counts under this code: 3 in 2024 vs 5 in 2025 (latest complete years).