Conduit and inner base plate for a heat exchanger, associated heat exchanger, aircraft and method of vaporizing a working fluid
US-2026078963-A1 · Mar 19, 2026 · US
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Arrangements of heat reflectors, e.g. separately-insertible reflecting walls
Arrangements of heat reflectors, e.g. separately-insertible reflecting walls · 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 | F28F9/20 |
| Official title | Arrangements of heat reflectors, e.g. separately-insertible reflecting walls |
| Display label | Arrangements of heat reflectors, e.g. separately-insertible reflecting walls |
| Total patents | 20 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 1 |
| 2019 | 2 |
| 2020 | 3 |
| 2021 | 3 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 2 |
| 2025 | 2 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Complex heat exchanger
US-12545082-B2 · Feb 10, 2026 · US
Cover fin and heat exchanger unit including the same
US-12298087-B2 · May 13, 2025 · US
Passive radiative cooling during the day
US-12209826-B2 · Jan 28, 2025 · US
Cover fin and heat exchanger unit including the same
US-2024219128-A1 · Jul 4, 2024 · US
Complex heat exchanger
US-2024157766-A1 · May 16, 2024 · US
Heating and hot water supply system
US-11555633-B2 · Jan 17, 2023 · US
Heat exchanger
US-11231232-B2 · Jan 25, 2022 · US
Exhaust assembly temperature regulation
US-11105249-B2 · Aug 31, 2021 · US
Heating and hot water supply system
US-2021123631-A1 · Apr 29, 2021 · US
Exhaust assembly temperature regulation
US-2021062705-A1 · Mar 4, 2021 · US
Heat exchanger
US-2020340749-A1 · Oct 29, 2020 · US
Furnace tube radiants
US-10808181-B2 · Oct 20, 2020 · US
Passive radiative cooling during the day
US-2020025468-A1 · Jan 23, 2020 · US
Radiative cooling device
US-2019257557-A1 · Aug 22, 2019 · US
Method for processing heated material
US-10215510-B2 · Feb 26, 2019 · US
Furnace tube radiants
US-2017137722-A1 · May 18, 2017 · US
Method for processing heated material
US-2016282063-A1 · Sep 29, 2016 · US
High temperature heat exchanger corner metal temperature attenuator
US-9151548-B2 · Oct 6, 2015 · US
Heat protector and manufacturing and mounting methods thereof
US-2015060026-A1 · Mar 5, 2015 · US