Method for heating a furnace
US-2026029198-A1 · Jan 29, 2026 · US
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Heating indirectly through a radiant surface
Heating indirectly through a radiant surface · 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 | F27D99/0035 |
| Official title | {Heating indirectly through a radiant surface} |
| Display label | Heating indirectly through a radiant surface |
| Total patents | 14 |
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 | 3 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 1 |
| 2020 | 1 |
| 2023 | 1 |
| 2025 | 3 |
| 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
Radiant tube apparatus and method for manufacturing same
US-12281371-B2 · Apr 22, 2025 · US
Flame tube for improved uniformity of the radiant tube temperature
US-2025093026-A1 · Mar 20, 2025 · US
Radiant tube apparatus and method for manufacturing same
US-2023046285-A1 · Feb 16, 2023 · US
Oven-style nozzle for reworking operations involving bottom-side terminated components or other components
US-10563920-B2 · Feb 18, 2020 · US
Heating furnace and continuous heating furnace
US-10502487-B2 · Dec 10, 2019 · US
Continuous heating furnace
US-9982943-B2 · May 29, 2018 · US
Continuous heating furnace
US-9869516-B2 · Jan 16, 2018 · US
Continuous heating furnace
US-9689613-B2 · Jun 27, 2017 · US
Oven-style nozzle for reworking operations involving bottom-side terminated components or other components
US-2016165769-A1 · Jun 9, 2016 · US
Dual zone furnace
US-2016067807-A1 · Mar 10, 2016 · US
Continuous heating furnace
US-2016018161-A1 · Jan 21, 2016 · US
Continuous heating furnace
US-2015377553-A1 · Dec 31, 2015 · US