Heat exchanger with thermal stress-relief areas
US-2021381778-A1 · Dec 9, 2021 · US
by separating portions of a pair of joined sheets to form channels, e.g. by inflation (manufacture thereof B23P)
by separating portions of a pair of joined sheets to form channels, e.g. by inflation (manufacture thereof B23P) · 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 | F28F3/14 |
| Official title | by separating portions of a pair of joined sheets to form channels, e.g. by inflation (manufacture thereof B23P) |
| Display label | by separating portions of a pair of joined sheets to form channels, e.g. by inflation (manufacture thereof B23P) |
| Total patents | 134 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 4 |
| 2017 | 7 |
| 2018 | 2 |
| 2019 | 20 |
| 2020 | 7 |
| 2021 | 23 |
| 2022 | 20 |
| 2023 | 20 |
| 2024 | 13 |
| 2025 | 10 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Double-sided roll bond condenser, double-sided roll bond condenser embedding structure, and embedding method thereof
US-11181306-B2 · Nov 23, 2021 · US
Conformable heat exchanger system and method
US-11168950-B2 · Nov 9, 2021 · US
Membrane heat exchanger system and method
US-11143467-B2 · Oct 12, 2021 · US
Heat dissipation plate and method for manufacturing the same
US-11131511-B2 · Sep 28, 2021 · US
Burst resistant thin wall heat sink
US-11131506-B2 · Sep 28, 2021 · US
Cold storage pack, logistic packaging container, method of transporting object at low temperature, and method of manufacturing cold storage pack
US-2021270514-A1 · Sep 2, 2021 · US
Vapor chamber structure and manufacturing method thereof
US-2021247147-A1 · Aug 12, 2021 · US
Vapor chamber structure and manufacturing method thereof
US-2021251107-A1 · Aug 12, 2021 · US
Evaporator and refrigerator comprising same
US-11073323-B2 · Jul 27, 2021 · US
Multi-channel thin heat exchanger and manufacturing method of the same
US-2021222964-A1 · Jul 22, 2021 · US
Heat exchanger array system and method for an air thermal conditioner
US-2021215445-A1 · Jul 15, 2021 · US
Heat exchanger fin and manufacturing method of the same
US-2021213511-A1 · Jul 15, 2021 · US
Conformable heat exchanger system and method
US-11054194-B2 · Jul 6, 2021 · US
Clad sheets for heat exchangers
US-10926319-B2 · Feb 23, 2021 · US
Conformable heat exchanger system and method
US-2021041186-A1 · Feb 11, 2021 · US
Heat exchanger with barrier passages
US-2021033354-A1 · Feb 4, 2021 · US
Dispensing appliance provided with a disposable cooling cartridge
US-10870567-B2 · Dec 22, 2020 · US
Conformable heat exchanger system and method
US-10845133-B2 · Nov 24, 2020 · US
Evaporator, a refrigerator using the evaporator and a method for controlling the refrigerator
US-10782060-B2 · Sep 22, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F28F3/14?
- CPC F28F3/14 is the Cooperative Patent Classification code for “by separating portions of a pair of joined sheets to form channels, e.g. by inflation (manufacture thereof B23P).”
- How many patents are filed under CPC F28F3/14 (by separating portions of a pair of joined sheets to form channels, e.g. by inflation (manufacture thereof B23P))?
- Our database includes 134 publications tagged with this CPC code.
- Is patent activity under CPC F28F3/14 growing?
- Publication counts under this code: 13 in 2024 vs 10 in 2025 (latest complete years).