Closed loop refrigeration system
US-11143441-B2 · Oct 12, 2021 · US
Compression-sorption machines, plants, or systems
Compression-sorption machines, plants, or systems · 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 | F25B25/02 |
| Official title | Compression-sorption machines, plants, or systems |
| Display label | Compression-sorption machines, plants, or systems |
| Total patents | 93 |
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 | 4 |
| 2016 | 7 |
| 2017 | 14 |
| 2018 | 9 |
| 2019 | 4 |
| 2020 | 15 |
| 2021 | 12 |
| 2022 | 8 |
| 2023 | 10 |
| 2024 | 6 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Heat pump for a hvac&r system
US-2021285700-A1 · Sep 16, 2021 · US
Hybrid heat pump system
US-11085675-B2 · Aug 10, 2021 · US
Hybrid cooling appliance
US-11067328-B2 · Jul 20, 2021 · US
Hybrid heat pump system
US-11054177-B2 · Jul 6, 2021 · US
Refrigerator
US-10966442-B2 · Apr 6, 2021 · US
High efficiency refrigeration system
US-10935286-B2 · Mar 2, 2021 · US
Hybrid heat pump system
US-2020393171-A1 · Dec 17, 2020 · US
Hybrid heat pump system
US-2020393172-A1 · Dec 17, 2020 · US
Hybrid heat pump system
US-2020393167-A1 · Dec 17, 2020 · US
Thermochemical boosted refrigeration system
US-10830505-B2 · Nov 10, 2020 · US
Systems and methods for providing continuous cooling at cryogenic temperatures
US-2020348054-A1 · Nov 5, 2020 · US
Self-optimizing subcooler control
US-10808984-B2 · Oct 20, 2020 · US
Sorption-based subcooler
US-2020318866-A1 · Oct 8, 2020 · US
Entrance refrigerator
US-2020271377-A1 · Aug 27, 2020 · US
Self-Optimizing Subcooler Control
US-2020240698-A1 · Jul 30, 2020 · US
Systems and methods for providing continuous cooling at cryogenic temperatures
US-10724768-B2 · Jul 28, 2020 · US
Closed loop refrigeration system
US-2020149787-A1 · May 14, 2020 · US
Heat pump system and cooling generation method
US-10648710-B2 · May 12, 2020 · US
Heating, ventilation, air conditioning and refrigeration system
US-10634398-B2 · Apr 28, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F25B25/02?
- CPC F25B25/02 is the Cooperative Patent Classification code for “Compression-sorption machines, plants, or systems.”
- How many patents are filed under CPC F25B25/02 (Compression-sorption machines, plants, or systems)?
- Our database includes 93 publications tagged with this CPC code.
- Is patent activity under CPC F25B25/02 growing?
- Publication counts under this code: 6 in 2024 vs 3 in 2025 (latest complete years).