3d spiral heat exchanger
US-2017370652-A1 · Dec 28, 2017 · US
Blocks traversed by passages for heat-exchange media {(F28D7/0008 takes precedence)}
Blocks traversed by passages for heat-exchange media {(F28D7/0008 takes precedence)} · 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 | F28F7/02 |
| Official title | Blocks traversed by passages for heat-exchange media {(F28D7/0008 takes precedence)} |
| Display label | Blocks traversed by passages for heat-exchange media {(F28D7/0008 takes precedence)} |
| Total patents | 718 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 16 |
| 2016 | 22 |
| 2017 | 49 |
| 2018 | 44 |
| 2019 | 70 |
| 2020 | 86 |
| 2021 | 89 |
| 2022 | 90 |
| 2023 | 96 |
| 2024 | 74 |
| 2025 | 71 |
| 2026 | 11 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Header for a heat exchanger
US-2017363361-A1 · Dec 21, 2017 · US
Gas pipe for exhaust gas recirculation
US-9835389-B2 · Dec 5, 2017 · US
Heat Exchanger with Precision Manufactured Flow Passages
US-2017335689-A1 · Nov 23, 2017 · US
Heat exchanger and fabrication
US-2017336155-A1 · Nov 23, 2017 · US
Powdered metal as a sacrificial material for ultrasonic additive manufacturing
US-2017304964-A1 · Oct 26, 2017 · US
Light weight housing for internal component with integrated thermal management features and method of making
US-2017292797-A1 · Oct 12, 2017 · US
Gas heater
US-9766022-B2 · Sep 19, 2017 · US
Cooling system for vehicle sensor modules
US-2017261273-A1 · Sep 14, 2017 · US
Heat exchanger and fabrication
US-9746257-B2 · Aug 29, 2017 · US
Heat exchanger channels
US-2017205149-A1 · Jul 20, 2017 · US
Additive heat exchanger mixing chambers
US-2017205145-A1 · Jul 20, 2017 · US
Cooling flow channel module for power conversion device and power conversion device including the same
US-9693489-B2 · Jun 27, 2017 · US
Ogv heat exchangers networked in parallel and serial flow
US-2017159489-A1 · Jun 8, 2017 · US
Harvesting Facility Water For Pumping Secondary Fluid Flow
US-2017150653-A1 · May 25, 2017 · US
Alternating channel heat exchanger
US-9657999-B2 · May 23, 2017 · US
Thermal control insert and thermal resistant hollow block
US-9593890-B2 · Mar 14, 2017 · US
Thermal management system
US-2017067693-A1 · Mar 9, 2017 · US
Heat exchanger and fabrication
US-2017045313-A1 · Feb 16, 2017 · US
Counter-flow heat exchanger with helical passages
US-2017030651-A1 · Feb 2, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F28F7/02?
- CPC F28F7/02 is the Cooperative Patent Classification code for “Blocks traversed by passages for heat-exchange media {(F28D7/0008 takes precedence)}.”
- How many patents are filed under CPC F28F7/02 (Blocks traversed by passages for heat-exchange media {(F28D7/0008 takes precedence)})?
- Our database includes 718 publications tagged with this CPC code.
- Is patent activity under CPC F28F7/02 growing?
- Publication counts under this code: 74 in 2024 vs 71 in 2025 (latest complete years).