Heat exchanger
US-10520258-B2 · Dec 31, 2019 · US
with serpentine or zig-zag configuration
with serpentine or zig-zag configuration · 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 | F28D7/082 |
| Official title | {with serpentine or zig-zag configuration} |
| Display label | with serpentine or zig-zag configuration |
| Total patents | 140 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 12 |
| 2017 | 11 |
| 2018 | 13 |
| 2019 | 18 |
| 2020 | 11 |
| 2021 | 16 |
| 2022 | 14 |
| 2023 | 9 |
| 2024 | 14 |
| 2025 | 14 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Furnace
US-2019353398-A1 · Nov 21, 2019 · US
Heat exchanger
US-2019346219-A1 · Nov 14, 2019 · US
Heat Exchanger, Air Intake System with a Heat Exchanger, and Method for Mounting a Heat Exchanger
US-2019339029-A1 · Nov 7, 2019 · US
Condensing gas water heater, condensing heat exchanger and heat exchanger plate
US-10451312-B2 · Oct 22, 2019 · US
U-bends with the reduced pressure losses to fluid distributing networks
US-2019257591-A1 · Aug 22, 2019 · US
Heat exchanger with non-orthogonal perforations
US-10378835-B2 · Aug 13, 2019 · US
Furnace
US-10371412-B2 · Aug 6, 2019 · US
Heat exchanger and refrigeration cycle device
US-10359201-B2 · Jul 23, 2019 · US
Diffuser integrated heat exchanger
US-2019204010-A1 · Jul 4, 2019 · US
Hot and cold shelf assembly with replaceable heating elements
US-2019162485-A1 · May 30, 2019 · US
Hot and cold shelf assembly with replaceable heating elements
US-10288361-B2 · May 14, 2019 · US
Tube arrangement in a once-through horizontal evaporator
US-10274192-B2 · Apr 30, 2019 · US
Methods and systems for a heat exchanger
US-2019086166-A1 · Mar 21, 2019 · US
Exhaust gas abatement system
US-10227926-B2 · Mar 12, 2019 · US
Heat exchanger having a coaxial or concentric tube construction
US-10221768-B2 · Mar 5, 2019 · US
Heat exchanger
US-10175008-B2 · Jan 8, 2019 · US
Active control of subsea coolers
US-10161554-B2 · Dec 25, 2018 · US
Heat exchanger
US-2018363988-A1 · Dec 20, 2018 · US
A pipe arrangement for a fluid heating assembly, fluid heating assembly and beverage preparation machine
US-2018344077-A1 · Dec 6, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F28D7/082?
- CPC F28D7/082 is the Cooperative Patent Classification code for “with serpentine or zig-zag configuration.”
- How many patents are filed under CPC F28D7/082 (with serpentine or zig-zag configuration)?
- Our database includes 140 publications tagged with this CPC code.
- Is patent activity under CPC F28D7/082 growing?
- Publication counts under this code: 14 in 2024 vs 14 in 2025 (latest complete years).