Corrugated fin heat exchanger, refrigeration cycle apparatus, apparatus for producing corrugated fin, and method for producing corrugated fin heat exchanger
US-10488124-B2 · Nov 26, 2019 · US
of both metal tubes and sheet metal (connecting tubes in openings B21D39/06)
of both metal tubes and sheet metal (connecting tubes in openings B21D39/06) · 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 | B21D53/08 |
| Official title | of both metal tubes and sheet metal (connecting tubes in openings B21D39/06) |
| Display label | of both metal tubes and sheet metal (connecting tubes in openings B21D39/06) |
| Total patents | 110 |
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 | 12 |
| 2016 | 16 |
| 2017 | 12 |
| 2018 | 9 |
| 2019 | 12 |
| 2020 | 12 |
| 2021 | 11 |
| 2022 | 14 |
| 2023 | 4 |
| 2024 | 4 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Heat exchanger, air-conditioning apparatus equipped with heat exchanger, and method for producing heat exchanger
US-2019346208-A1 · Nov 14, 2019 · US
Fin, heat exchanger with fin, and method of manufacturing fin
US-2019337043-A1 · Nov 7, 2019 · US
Method of fabricating heat exchanger with micro tubes and fins
US-2019337072-A1 · Nov 7, 2019 · US
Heat exchanger and production method of the heat exchanger
US-10465944-B2 · Nov 5, 2019 · US
Collector plate for a heat exchanger manifold
US-10393450-B2 · Aug 27, 2019 · US
Modular intercooler block
US-2019257592-A1 · Aug 22, 2019 · US
Stacking-type header and method of manufacturing stacking-type header
US-2019154365-A1 · May 23, 2019 · US
Manifold for a heat exchanger
US-10288362-B2 · May 14, 2019 · US
Fin stacking apparatus
US-2019022733-A1 · Jan 24, 2019 · US
Air conditioner and method of manufacturing the same
US-2019017755-A1 · Jan 17, 2019 · US
Component with differing material properties
US-2018327920-A1 · Nov 15, 2018 · US
Heat exchanger and method for manufacturing plate-shaped fins for heat exchanger
US-2018320978-A1 · Nov 8, 2018 · US
Indirect evaporator cooler heat exchanger manufacturing method
US-10072901-B2 · Sep 11, 2018 · US
Heat exchanger and production method of the heat exchanger
US-2018245817-A1 · Aug 30, 2018 · US
Laminated header, heat exchanger, air-conditioning apparatus, and method of joining a plate-like unit of a laminated header and a pipe to each other
US-10054368-B2 · Aug 21, 2018 · US
Heat exchanger and method for manufacturing plate-shaped fins for heat exchanger
US-10041739-B2 · Aug 7, 2018 · US
Method of manufacturing evaporator for refrigeration apparatus
US-2018209707-A1 · Jul 26, 2018 · US
Fin manufacturing apparatus
US-9993862-B2 · Jun 12, 2018 · US
Corrugated fin heat exchanger, refrigeration cycle apparatus, apparatus for producing corrugated fin, and method for producing corrugated fin heat exchanger
US-2018058780-A1 · Mar 1, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B21D53/08?
- CPC B21D53/08 is the Cooperative Patent Classification code for “of both metal tubes and sheet metal (connecting tubes in openings B21D39/06).”
- How many patents are filed under CPC B21D53/08 (of both metal tubes and sheet metal (connecting tubes in openings B21D39/06))?
- Our database includes 110 publications tagged with this CPC code.
- Is patent activity under CPC B21D53/08 growing?
- Publication counts under this code: 4 in 2024 vs 4 in 2025 (latest complete years).