Cooling system for downhole electronic device
US-2022356785-A1 · Nov 10, 2022 · US
the conduits being helically coiled (F28D7/10 takes precedence {F28D7/0016 and F28D7/0033 take precedence})
the conduits being helically coiled (F28D7/10 takes precedence {F28D7/0016 and F28D7/0033 take 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 | F28D7/02 |
| Official title | the conduits being helically coiled (F28D7/10 takes precedence {F28D7/0016 and F28D7/0033 take precedence}) |
| Display label | the conduits being helically coiled (F28D7/10 takes precedence {F28D7/0016 and F28D7/0033 take precedence}) |
| Total patents | 89 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 8 |
| 2017 | 13 |
| 2018 | 6 |
| 2019 | 9 |
| 2020 | 9 |
| 2021 | 11 |
| 2022 | 6 |
| 2023 | 10 |
| 2024 | 7 |
| 2025 | 8 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Container for efficient vaporization of precursor materials and method of using the same
US-2022205088-A1 · Jun 30, 2022 · US
Rectangular helical core geometry for heat exchanger
US-11359864-B2 · Jun 14, 2022 · US
Method for the theoretical analysis of a process apparatus through which fluid flows
US-2021383038-A1 · Dec 9, 2021 · US
Heat exchanger and heat exchanging system
US-11187466-B2 · Nov 30, 2021 · US
Coil wound heat exchanger
US-2021348850-A1 · Nov 11, 2021 · US
Directed decoupling between bundle and core tube in wound heat exchangers
US-2021270535-A1 · Sep 2, 2021 · US
High-efficiency heat exchanger for temperature control system of fuel cell and processing device thereof
US-2021218040-A1 · Jul 15, 2021 · US
3D spiral heat exchanger
US-11060796-B2 · Jul 13, 2021 · US
Heat exchanger component with varying twist angle
US-2021180870-A1 · Jun 17, 2021 · US
Counter flow heat exchanger
US-11002487-B2 · May 11, 2021 · US
Manufacturing method for pipe structure
US-2021094084-A1 · Apr 1, 2021 · US
Coiled heat exchanger having inserts between the shroud and the last pipe layer
US-10914526-B2 · Feb 9, 2021 · US
Heat exchanger
US-2021025656-A1 · Jan 28, 2021 · US
Coil-wound heat exchanger for hydrotreatment or hydroconversion
US-10815436-B2 · Oct 27, 2020 · US
Condenser and refrigerator having same
US-10808986-B2 · Oct 20, 2020 · US
Gas turbine engine with trailing edge heat exchanger
US-2020318545-A1 · Oct 8, 2020 · US
Rectangular helical core geometry for heat exchanger
US-2020284518-A1 · Sep 10, 2020 · US
Coil-wound heat exchanger for hydrotreatment or hydroconversion
US-10767123-B2 · Sep 8, 2020 · US
Curved heat exchanger
US-10670346-B2 · Jun 2, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F28D7/02?
- CPC F28D7/02 is the Cooperative Patent Classification code for “the conduits being helically coiled (F28D7/10 takes precedence {F28D7/0016 and F28D7/0033 take precedence}).”
- How many patents are filed under CPC F28D7/02 (the conduits being helically coiled (F28D7/10 takes precedence {F28D7/0016 and F28D7/0033 take precedence}))?
- Our database includes 89 publications tagged with this CPC code.
- Is patent activity under CPC F28D7/02 growing?
- Publication counts under this code: 7 in 2024 vs 8 in 2025 (latest complete years).