Cooling channel structure and burner
US-12492813-B2 · Dec 9, 2025 · US
having walls comprising obliquely extending corrugations, e.g. in the form of threads
having walls comprising obliquely extending corrugations, e.g. in the form of threads · 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 | F28F2210/06 |
| Official title | having walls comprising obliquely extending corrugations, e.g. in the form of threads |
| Display label | having walls comprising obliquely extending corrugations, e.g. in the form of threads |
| Total patents | 37 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 1 |
| 2017 | 8 |
| 2018 | 4 |
| 2019 | 2 |
| 2020 | 2 |
| 2021 | 1 |
| 2022 | 5 |
| 2023 | 3 |
| 2024 | 3 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Heat-transferring double pipe, inner pipe for heat-transferring double pipe, and manufacturing method thereof
US-12203709-B2 · Jan 21, 2025 · US
Double pipe for heat exchanger
US-12111117-B2 · Oct 8, 2024 · US
Flow reactor
US-12000661-B2 · Jun 4, 2024 · US
Heat exchanger and refrigeration cycle apparatus
US-11892206-B2 · Feb 6, 2024 · US
Double-tube heat exchanger and manufacturing method therefor
US-2023341188-A1 · Oct 26, 2023 · US
Flow reactor
US-2023022084-A1 · Jan 26, 2023 · US
Double pipe for heat exchanger
US-2023003456-A1 · Jan 5, 2023 · US
Fluid cooler for a gas turbine engine
US-11530645-B2 · Dec 20, 2022 · US
Cooling channel structure and burner
US-2022325886-A1 · Oct 13, 2022 · US
Heat-transferring double pipe, inner pipe for heat-transferring double pipe, and manufacturing method thereof
US-2022290925-A1 · Sep 15, 2022 · US
Fluid cooler for a gas turbine engine
US-2022260015-A1 · Aug 18, 2022 · US
Heat exchanger and refrigeration cycle apparatus
US-2022113069-A1 · Apr 14, 2022 · US
Turbine engine duct
US-10948108-B2 · Mar 16, 2021 · US
Method for producing a rifled tube
US-10632521-B2 · Apr 28, 2020 · US
Stainless steel and pipe made thereof
US-10627168-B2 · Apr 21, 2020 · US
Heat exchanger and refrigeration cycle device
US-10359201-B2 · Jul 23, 2019 · US
Non-vaned swirl core configurations
US-10302369-B1 · May 28, 2019 · US
Refrigeration cycle device
US-10155428-B2 · Dec 18, 2018 · US
Turbine engine duct
US-2018320801-A1 · Nov 8, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F28F2210/06?
- CPC F28F2210/06 is the Cooperative Patent Classification code for “having walls comprising obliquely extending corrugations, e.g. in the form of threads.”
- How many patents are filed under CPC F28F2210/06 (having walls comprising obliquely extending corrugations, e.g. in the form of threads)?
- Our database includes 37 publications tagged with this CPC code.
- Is patent activity under CPC F28F2210/06 growing?
- Publication counts under this code: 3 in 2024 vs 2 in 2025 (latest complete years).