Refrigeration cycle apparatus and liquid level detection sensor
US-10274357-B2 · Apr 30, 2019 · US
Desuperheaters
Desuperheaters · 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 | F25B40/04 |
| Official title | Desuperheaters |
| Display label | Desuperheaters |
| Total patents | 143 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 13 |
| 2017 | 17 |
| 2018 | 21 |
| 2019 | 21 |
| 2020 | 16 |
| 2021 | 14 |
| 2022 | 13 |
| 2023 | 5 |
| 2024 | 7 |
| 2025 | 9 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Outdoor unit for heat recovery VRF air conditioning system and heat recovery VRF air conditioning system
US-10260785-B2 · Apr 16, 2019 · US
Systems and methods for low load compressor operations
US-10215465-B2 · Feb 26, 2019 · US
Vehicle air-conditioning device
US-10155430-B2 · Dec 18, 2018 · US
Compressor Cooling System
US-2018347877-A1 · Dec 6, 2018 · US
Refrigeration cycle and refrigerator having the same
US-10139139-B2 · Nov 27, 2018 · US
Vehicle air-conditioning device
US-10131207-B2 · Nov 20, 2018 · US
Vehicle air-conditioning device
US-10131208-B2 · Nov 20, 2018 · US
Refrigeration cycle apparatus
US-10126026-B2 · Nov 13, 2018 · US
Vehicle air-conditioning device
US-10112458-B2 · Oct 30, 2018 · US
Portable Air Conditioner
US-2018238566-A1 · Aug 23, 2018 · US
Compressor cooling system
US-10047987-B2 · Aug 14, 2018 · US
Refrigeration cycle of vehicle air conditioner
US-2018186216-A1 · Jul 5, 2018 · US
A method for operating a vapour compression system with heat recovery
US-2018164004-A1 · Jun 14, 2018 · US
High-Pressure Re-Start Control Algorithm for Microchannel Condenser with Reheat Coil
US-2018149375-A1 · May 31, 2018 · US
Refrigeration cycle apparatus
US-9970693-B2 · May 15, 2018 · US
Absorption subcooler for a refrigeration system
US-2018128518-A1 · May 10, 2018 · US
Free cooling refrigeration system
US-2018120005-A1 · May 3, 2018 · US
Heat pump system having a pre-processing module
US-9920960-B2 · Mar 20, 2018 · US
System For Refrigerant Charge Verification
US-2018045445-A1 · Feb 15, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F25B40/04?
- CPC F25B40/04 is the Cooperative Patent Classification code for “Desuperheaters.”
- How many patents are filed under CPC F25B40/04 (Desuperheaters)?
- Our database includes 143 publications tagged with this CPC code.
- Is patent activity under CPC F25B40/04 growing?
- Publication counts under this code: 7 in 2024 vs 9 in 2025 (latest complete years).