Plate heat exchanger
US-2020370835-A1 · Nov 26, 2020 · US
Closure means, e.g. end caps on header boxes or plugs on conduits
Closure means, e.g. end caps on header boxes or plugs on conduits · 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 | F28F2220/00 |
| Official title | Closure means, e.g. end caps on header boxes or plugs on conduits |
| Display label | Closure means, e.g. end caps on header boxes or plugs on conduits |
| Total patents | 145 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 10 |
| 2017 | 9 |
| 2018 | 8 |
| 2019 | 20 |
| 2020 | 10 |
| 2021 | 16 |
| 2022 | 17 |
| 2023 | 11 |
| 2024 | 16 |
| 2025 | 11 |
| 2026 | 8 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Tray, tray assembly, battery pack assembly and vehicle
US-10749223-B2 · Aug 18, 2020 · US
Heat exchanger
US-10690419-B2 · Jun 23, 2020 · US
Evaporator unit
US-2020158388-A1 · May 21, 2020 · US
Modulator assembly for condenser
US-10488087-B2 · Nov 26, 2019 · US
Attachment device for heat exchanger
US-10458726-B2 · Oct 29, 2019 · US
Heat exchanger header
US-2019316852-A1 · Oct 17, 2019 · US
Heat exchanger element with thermal expansion feature
US-10429133-B2 · Oct 1, 2019 · US
Heat exchanger closure assemblies and methods of using and installing the same
US-2019293368-A1 · Sep 26, 2019 · US
Prevention of cooling flow blockage
US-10415903-B2 · Sep 17, 2019 · US
Pressure vessel
US-2019259504-A1 · Aug 22, 2019 · US
Counter-flow fin plate heat exchanger for gas-gas heat exchange
US-10378831-B2 · Aug 13, 2019 · US
Heat exchanger, heat exchanger tank, and method of making the same
US-10371463-B2 · Aug 6, 2019 · US
Modulator assembly for condenser
US-2019226730-A1 · Jul 25, 2019 · US
Method and apparatus for flow maldistribution control
US-10359242-B2 · Jul 23, 2019 · US
Heat exchange member and heat exchangers utilizing the heat exchange member
US-10359239-B1 · Jul 23, 2019 · US
Pressure vessel
US-2019195565-A1 · Jun 27, 2019 · US
Heat exchanger and heat exchanger tank
US-10330399-B2 · Jun 25, 2019 · US
Method of manufacturing plate with passage, plate with passage, temperature adjustment plate, cold plate, and shower plate
US-10279441-B2 · May 7, 2019 · US
Tray, tray assembly, battery pack assembly and vehicle
US-2019131674-A1 · May 2, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F28F2220/00?
- CPC F28F2220/00 is the Cooperative Patent Classification code for “Closure means, e.g. end caps on header boxes or plugs on conduits.”
- How many patents are filed under CPC F28F2220/00 (Closure means, e.g. end caps on header boxes or plugs on conduits)?
- Our database includes 145 publications tagged with this CPC code.
- Is patent activity under CPC F28F2220/00 growing?
- Publication counts under this code: 16 in 2024 vs 11 in 2025 (latest complete years).