Heat exchange device and refrigerant circulation system
US-12104805-B2 · Oct 1, 2024 · US
for draining
for draining · 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 | F28F2265/22 |
| Official title | for draining |
| Display label | for draining |
| Total patents | 73 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 5 |
| 2017 | 4 |
| 2018 | 7 |
| 2019 | 7 |
| 2020 | 5 |
| 2021 | 11 |
| 2022 | 3 |
| 2023 | 7 |
| 2024 | 9 |
| 2025 | 12 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Micro-channel heat exchanger and heat pump system having the same
US-2024310130-A1 · Sep 19, 2024 · US
Cap for a header box
US-12085006-B2 · Sep 10, 2024 · US
Heat exchanger
US-2024240877-A1 · Jul 18, 2024 · US
Heat exchanger and air conditioner
US-2024240824-A1 · Jul 18, 2024 · US
Heat exchanger and air-conditioning apparatus
US-2024210132-A1 · Jun 27, 2024 · US
Flow assisted anti-fouling geometries for compact heat exchangers
US-2024210133-A1 · Jun 27, 2024 · US
Manifold for heat exchanger and heat exchanger
US-2024200890-A1 · Jun 20, 2024 · US
Cooling tower control system
US-11859924-B2 · Jan 2, 2024 · US
Heat exchanger for vehicular air conditioning system, vehicular air conditioning system and vehicle
US-2023391167-A1 · Dec 7, 2023 · US
Flow assisted anti-fouling geometries for compact heat exchangers
US-11821696-B1 · Nov 21, 2023 · US
Heat exchanger and air conditioner
US-11788799-B2 · Oct 17, 2023 · US
Processing water supply system
US-11754353-B2 · Sep 12, 2023 · US
Heat exchanger and refrigeration cycle apparatus
US-2023127615-A1 · Apr 27, 2023 · US
Heat exchanger, heat exchanger unit, and refrigeration cycle apparatus
US-11578930-B2 · Feb 14, 2023 · US
Capillary action water evaporator for charge-air cooler
US-11566590-B1 · Jan 31, 2023 · US
Charge air cooler for fuel engine
US-11519367-B2 · Dec 6, 2022 · US
Heat Exchange Device and Refrigerant Circulation System
US-2022268453-A1 · Aug 25, 2022 · US
Heat exchanger with barrier passages
US-11255614-B2 · Feb 22, 2022 · US
Charge air cooler for fuel engine
US-2021388799-A1 · Dec 16, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F28F2265/22?
- CPC F28F2265/22 is the Cooperative Patent Classification code for “for draining.”
- How many patents are filed under CPC F28F2265/22 (for draining)?
- Our database includes 73 publications tagged with this CPC code.
- Is patent activity under CPC F28F2265/22 growing?
- Publication counts under this code: 9 in 2024 vs 12 in 2025 (latest complete years).