Rotatable heat exchanger for a gas turbine engine
US-2025376944-A1 · Dec 11, 2025 · US
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performed by a tube or a bundle of tubes
performed by a tube or a bundle of tubes · 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 | F28D11/04 |
| Official title | performed by a tube or a bundle of tubes |
| Display label | performed by a tube or a bundle of tubes |
| Total patents | 20 |
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 | 1 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 3 |
| 2024 | 4 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Rotatable heat exchanger for a gas turbine engine
US-12416263-B2 · Sep 16, 2025 · US
Heat transfer device with nested layers of helical fluid channels
US-12281853-B2 · Apr 22, 2025 · US
Rotary heat exchanger
US-12259191-B2 · Mar 25, 2025 · US
Rotatable heat exchanger for a gas turbine engine
US-2024369107-A1 · Nov 7, 2024 · US
Rotatable heat exchanger for a gas turbine engine
US-2024369019-A1 · Nov 7, 2024 · US
Heat transfer device with nested layers of helical fluid channels
US-2024295363-A1 · Sep 5, 2024 · US
Heat transfer device with nested layers of helical fluid channels
US-11927402-B2 · Mar 12, 2024 · US
Rotary heat exchanger
US-2023139960-A1 · May 4, 2023 · US
Enclosure for an optoelectronic sensor and lidar sensor
US-11630187-B2 · Apr 18, 2023 · US
Heat transfer device with nested layers of helical fluid channels
US-2023015392-A1 · Jan 19, 2023 · US
Multitubular rotary heat exchanger
US-11300357-B2 · Apr 12, 2022 · US
Multitubular rotary heat exchanger
US-2021048254-A1 · Feb 18, 2021 · US
Enclosure for an optoelectronic sensor and lidar sensor
US-2020309913-A1 · Oct 1, 2020 · US
Memory module cooler with rotatable cooling tube
US-10520259-B2 · Dec 31, 2019 · US
Memory module cooler with rotatable cooling tube
US-2019056179-A1 · Feb 21, 2019 · US
Air conditioning system having cylindrical heat exchangers
US-10086674-B2 · Oct 2, 2018 · US
Air conditioning system having cylindrical heat exchangers
US-2017072766-A1 · Mar 16, 2017 · US
Heat exchanging system
US-2016040945-A1 · Feb 11, 2016 · US
Integrated variable geometry flow restrictor and heat exchanger
US-8961114-B2 · Feb 24, 2015 · US