Thin heat pipe structure and manufacturing method thereof
US-9802240-B2 · Oct 31, 2017 · US
heat exchangers {or parts thereof}, e.g. radiators, condensers {fins, headers}(making finned or ribbed tubes by fixing strip material or the like to tubes B21C37/22)
heat exchangers {or parts thereof}, e.g. radiators, condensers {fins, headers}(making finned or ribbed tubes by fixing strip material or the like to tubes B21C37/22) · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B21D53/02 |
| Official title | heat exchangers {or parts thereof}, e.g. radiators, condensers {fins, headers}(making finned or ribbed tubes by fixing strip material or the like to tubes B21C37/22) |
| Display label | heat exchangers {or parts thereof}, e.g. radiators, condensers {fins, headers}(making finned or ribbed tubes by fixing strip material or the like to tubes B21C37/22) |
| Total patents | 205 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 30 |
| 2016 | 27 |
| 2017 | 21 |
| 2018 | 17 |
| 2019 | 21 |
| 2020 | 18 |
| 2021 | 22 |
| 2022 | 15 |
| 2023 | 13 |
| 2024 | 13 |
| 2025 | 7 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electronic equipment enclosure
US-2017127570-A1 · May 4, 2017 · US
Tension expansion clamping tool block
US-9555464-B2 · Jan 31, 2017 · US
Manifold for a liquid cooling system
US-2016354833-A1 · Dec 8, 2016 · US
Manifold for a liquid cooling system
US-2016356559-A1 · Dec 8, 2016 · US
Embedded chassis ducting system for parallelizing airflow through components oriented in series
US-9497891-B2 · Nov 15, 2016 · US
Method for producing slots in a tube wall and slotting tool
US-9486863-B2 · Nov 8, 2016 · US
Gelatinous latent heat storage member with benard cell regions
US-9482473-B2 · Nov 1, 2016 · US
Helical coil steam generator
US-2016303694-A1 · Oct 20, 2016 · US
Hybrid heat exchanger structures
US-2016305718-A1 · Oct 20, 2016 · US
Method for forming end plate for heat exchanger and heat exchanger equipped with end plate formed with this method
US-2016296993-A1 · Oct 13, 2016 · US
Method and apparatus for bending a micro-channel heat exchanger
US-9415436-B2 · Aug 16, 2016 · US
Electronic equipment enclosure
US-9420727-B2 · Aug 16, 2016 · US
Motor vehicle air conditioning system
US-9403419-B2 · Aug 2, 2016 · US
Helical coil steam generator
US-9403205-B2 · Aug 2, 2016 · US
Heat exchanger assembly and method
US-9403204-B2 · Aug 2, 2016 · US
Absorber tube
US-9404674-B2 · Aug 2, 2016 · US
Heat exchanger having convoluted fin end and method of assembling the same
US-9395121-B2 · Jul 19, 2016 · US
Method of manufacturing a heat-transfer structure
US-2016193703-A1 · Jul 7, 2016 · US
Thermal module and manufacturing method thereof
US-9352380-B2 · May 31, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B21D53/02?
- CPC B21D53/02 is the Cooperative Patent Classification code for “heat exchangers {or parts thereof}, e.g. radiators, condensers {fins, headers}(making finned or ribbed tubes by fixing strip material or the like to tubes B21C37/22).”
- How many patents are filed under CPC B21D53/02 (heat exchangers {or parts thereof}, e.g. radiators, condensers {fins, headers}(making finned or ribbed tubes by fixing strip material or the like to tubes B21C37/22))?
- Our database includes 205 publications tagged with this CPC code.
- Is patent activity under CPC B21D53/02 growing?
- Publication counts under this code: 13 in 2024 vs 7 in 2025 (latest complete years).