Evaporator
US-11536497-B2 · Dec 27, 2022 · US
Distributing or accumulator troughs
Distributing or accumulator troughs · 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 | F28F25/04 |
| Official title | Distributing or accumulator troughs |
| Display label | Distributing or accumulator troughs |
| Total patents | 80 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 7 |
| 2017 | 6 |
| 2018 | 8 |
| 2019 | 14 |
| 2020 | 11 |
| 2021 | 8 |
| 2022 | 6 |
| 2023 | 6 |
| 2024 | 7 |
| 2025 | 4 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Adiabatic pre-cooling redistribution system
US-2022316826-A1 · Oct 6, 2022 · US
Modular counterflow cooling tower
US-2022276007-A1 · Sep 1, 2022 · US
Water collection/deflection arrangement
US-11255620-B2 · Feb 22, 2022 · US
Water collection arrangement
US-11248859-B2 · Feb 15, 2022 · US
Modular counterflow cooling tower
US-11199362-B2 · Dec 14, 2021 · US
Evaporator
US-2021254873-A1 · Aug 19, 2021 · US
Mulitlevel distribution system for evaporator
US-11073314-B2 · Jul 27, 2021 · US
Water-spraying cooling device
US-2021207891-A1 · Jul 8, 2021 · US
Cooling tower with direct and indirect heat exchanger
US-11029093-B2 · Jun 8, 2021 · US
System and method for delivery and positioning of surgical implants
US-2021121191-A1 · Apr 29, 2021 · US
Air-cooled heat transfer device with integrated and mechanized air pre-cool system
US-2021116181-A1 · Apr 22, 2021 · US
System and method for delivery and positioning of surgical implants
US-10912579-B2 · Feb 9, 2021 · US
System and method of a water management for an indirect evaporative cooler
US-10876748-B2 · Dec 29, 2020 · US
Water Collection/Deflection Arrangement
US-2020363145-A1 · Nov 19, 2020 · US
Ultra narrow channel ultra low refrigerant charge evaporative condenser
US-2020340748-A1 · Oct 29, 2020 · US
Air-cooled heat transfer device with integrated and mechanized air pre-cool system
US-10788268-B2 · Sep 29, 2020 · US
Water collection/deflection arrangements
US-10775117-B2 · Sep 15, 2020 · US
Water Collection Arrangement
US-2020256629-A1 · Aug 13, 2020 · US
System and method of water management for an indirect evaporative cooler
US-10677544-B2 · Jun 9, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F28F25/04?
- CPC F28F25/04 is the Cooperative Patent Classification code for “Distributing or accumulator troughs.”
- How many patents are filed under CPC F28F25/04 (Distributing or accumulator troughs)?
- Our database includes 80 publications tagged with this CPC code.
- Is patent activity under CPC F28F25/04 growing?
- Publication counts under this code: 7 in 2024 vs 4 in 2025 (latest complete years).