Energy-saving system using electric heat pump to deeply recover flue gas waste heat from heat power plant for district heating
US-11821637-B2 · Nov 21, 2023 · US
for distributing, circulating, and accumulating liquid (spraying or atomising in general B05B, B05D)
for distributing, circulating, and accumulating liquid (spraying or atomising in general B05B, B05D) · 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 | F28F25/02 |
| Official title | for distributing, circulating, and accumulating liquid (spraying or atomising in general B05B, B05D) |
| Display label | for distributing, circulating, and accumulating liquid (spraying or atomising in general B05B, B05D) |
| Total patents | 69 |
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 | 2 |
| 2016 | 3 |
| 2017 | 1 |
| 2018 | 7 |
| 2019 | 8 |
| 2020 | 11 |
| 2021 | 10 |
| 2022 | 7 |
| 2023 | 11 |
| 2024 | 6 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Pulsing adiabatic gas cooler
US-11802743-B2 · Oct 31, 2023 · US
Rotary liquid distributor for liquid-cooled tank and liquid-cooled tank
US-11723175-B2 · Aug 8, 2023 · US
Sinusoidal corrugated tube-type spiral wounded heat exchanger suitable for flng
US-2023204296-A1 · Jun 29, 2023 · US
Cooling water-saving device for cooling tower, and wet cooling tower
US-2023204293-A1 · Jun 29, 2023 · US
Pulsing adiabatic gas cooler
US-2023194196-A1 · Jun 22, 2023 · US
Rotary liquid distributor for liquid-cooled tank and liquid-cooled tank
US-2023164949-A1 · May 25, 2023 · US
Heat exchanger, air conditioner, and refrigerating unit
US-11639817-B2 · May 2, 2023 · US
Pulsing adiabatic gas cooler
US-11609052-B2 · Mar 21, 2023 · US
Passive pulse water flow adjustment device for water flow cooling
US-11604039-B2 · Mar 14, 2023 · US
Fuel device and the use thereof in a motor vehicle
US-2023026964-A1 · Jan 26, 2023 · US
Passive pulse water flow adjustment device for water flow cooling
US-2022244003-A1 · Aug 4, 2022 · US
Gas-liquid contact apparatus
US-11305244-B2 · Apr 19, 2022 · US
System for hydrogen detection in cooling towers
US-11300372-B2 · Apr 12, 2022 · US
Polymer tube dry cooling tower
US-2022042749-A1 · Feb 10, 2022 · US
Controllable liquid distributor of a coiled-tube heat exchanger for realizing different liquid loadings
US-11236945-B2 · Feb 1, 2022 · US
Method for producing a series of at least a first and second heat exchangers
US-11231241-B2 · Jan 25, 2022 · US
Monitoring apparatus, non-transitory computer readable medium, and monitoring method
US-2022011063-A1 · Jan 13, 2022 · US
Water droplets collection device from airflow using electrostatic separators
US-2021389063-A1 · Dec 16, 2021 · US
Pulsing adiabatic gas cooler
US-2021372715-A1 · Dec 2, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F28F25/02?
- CPC F28F25/02 is the Cooperative Patent Classification code for “for distributing, circulating, and accumulating liquid (spraying or atomising in general B05B, B05D).”
- How many patents are filed under CPC F28F25/02 (for distributing, circulating, and accumulating liquid (spraying or atomising in general B05B, B05D))?
- Our database includes 69 publications tagged with this CPC code.
- Is patent activity under CPC F28F25/02 growing?
- Publication counts under this code: 6 in 2024 vs 3 in 2025 (latest complete years).