Heat exchanger including passageways
US-2017367218-A1 · Dec 21, 2017 · US
Multi-circuit heat-exchangers, e.g. integrating different heat exchange sections in the same unit or heat-exchangers for more than two fluids (F28D7/103 takes precedence)
Multi-circuit heat-exchangers, e.g. integrating different heat exchange sections in the same unit or heat-exchangers for more than two fluids (F28D7/103 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 | F28D7/0066 |
| Official title | {Multi-circuit heat-exchangers, e.g. integrating different heat exchange sections in the same unit or heat-exchangers for more than two fluids (F28D7/103 takes precedence)} |
| Display label | Multi-circuit heat-exchangers, e.g. integrating different heat exchange sections in the same unit or heat-exchangers for more than two fluids (F28D7/103 takes precedence) |
| Total patents | 324 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 15 |
| 2016 | 28 |
| 2017 | 40 |
| 2018 | 44 |
| 2019 | 40 |
| 2020 | 29 |
| 2021 | 31 |
| 2022 | 29 |
| 2023 | 32 |
| 2024 | 15 |
| 2025 | 18 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
System, method and apparatus for aligning tubes of a heat exchanger
US-2017355046-A1 · Dec 14, 2017 · US
Heat exchange device suitable for low pressure refrigerant
US-2017241682-A1 · Aug 24, 2017 · US
Apparatus and method for evaporating liquids containing potentially explosive impurities
US-2017227294-A1 · Aug 10, 2017 · US
Heat exchanger and tube
US-2017227301-A1 · Aug 10, 2017 · US
Additive heat exchanger mixing chambers
US-2017205145-A1 · Jul 20, 2017 · US
Heat exchangers with floating headers
US-2017198987-A1 · Jul 13, 2017 · US
Heat exchangers
US-2017198978-A1 · Jul 13, 2017 · US
Heat exchanger for a vapor compression system
US-2017176063-A1 · Jun 22, 2017 · US
Heat exchanger with water box
US-2017176064-A1 · Jun 22, 2017 · US
Heat exchanger
US-2017160016-A1 · Jun 8, 2017 · US
Heat exchanger
US-2017131034-A1 · May 11, 2017 · US
System for heating the cabin of an aircraft provided with an annular heat exchanger around the exhaust nozzle
US-9623723-B2 · Apr 18, 2017 · US
Integrated functional heat exchange apparatus for automobile
US-9617897-B2 · Apr 11, 2017 · US
Liquid-cooled, composite heat sink assemblies
US-2017045300-A1 · Feb 16, 2017 · US
Heat Exchanger, Heat Exchanger Tank, and Method of Making the Same
US-2017023314-A1 · Jan 26, 2017 · US
Fuel cell module
US-9537165-B2 · Jan 3, 2017 · US
Heat exchanger
US-2016377348-A1 · Dec 29, 2016 · US
Micro-architected materials for heat exchanger applications
US-9528776-B1 · Dec 27, 2016 · US
Heat exchangers with floating headers
US-9528777-B2 · Dec 27, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F28D7/0066?
- CPC F28D7/0066 is the Cooperative Patent Classification code for “Multi-circuit heat-exchangers, e.g. integrating different heat exchange sections in the same unit or heat-exchangers for more than two fluids (F28D7/103 takes precedence).”
- How many patents are filed under CPC F28D7/0066 (Multi-circuit heat-exchangers, e.g. integrating different heat exchange sections in the same unit or heat-exchangers for more than two fluids (F28D7/103 takes precedence))?
- Our database includes 324 publications tagged with this CPC code.
- Is patent activity under CPC F28D7/0066 growing?
- Publication counts under this code: 15 in 2024 vs 18 in 2025 (latest complete years).