Heat transfer method
US-12405036-B2 · Sep 2, 2025 · US
using the endothermic solution of salt
using the endothermic solution of salt · 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 | F25B15/002 |
| Official title | {using the endothermic solution of salt} |
| Display label | using the endothermic solution of salt |
| Total patents | 27 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2017 | 6 |
| 2018 | 4 |
| 2019 | 3 |
| 2020 | 5 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 3 |
| 2024 | 1 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Coupling system of supercritical carbon dioxide cycle power generation and lithium extraction from brine
US-12305259-B2 · May 20, 2025 · US
Humidity control agent and device
US-2025099913-A1 · Mar 27, 2025 · US
Compact membrane-based absorption heat pump
US-12000630-B2 · Jun 4, 2024 · US
Heat transfer method
US-2023228464-A1 · Jul 20, 2023 · US
Compact membrane-based absorption heat pump
US-2023069597-A1 · Mar 2, 2023 · US
Coupling system of supercritical carbon dioxide cycle power generation and lithium extraction from brine
US-2023065205-A1 · Mar 2, 2023 · US
Climate-control system with absorption chiller
US-11333412-B2 · May 17, 2022 · US
Electrochemical heat pump
US-11015875-B2 · May 25, 2021 · US
Low-power absorption refrigeration machine
US-10845100-B2 · Nov 24, 2020 · US
Electrochemical heat pump
US-2020333086-A1 · Oct 22, 2020 · US
Climate-Control System With Absorption Chiller
US-2020326106-A1 · Oct 15, 2020 · US
Cooling system with absorber, evaporator condenser
US-10634400-B2 · Apr 28, 2020 · US
Cooling system with heat exchanger and evaporator
US-10634399-B2 · Apr 28, 2020 · US
Guanidinium-based ionic liquids in absorption chillers
US-10465950-B2 · Nov 5, 2019 · US
Eutectic mixtures of ionic liquids in absorption chillers
US-2019113257-A1 · Apr 18, 2019 · US
Eutectic mixtures of ionic liquids in absorption chillers
US-10168080-B2 · Jan 1, 2019 · US
Cooling system with absorber, evaporator condenser
US-2018320940-A1 · Nov 8, 2018 · US
Cooling system with heat exchanger and evaporator
US-2018320939-A1 · Nov 8, 2018 · US
Absorption cooling system with falling film and/or agitated thin film evaporator
US-10041707-B2 · Aug 7, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F25B15/002?
- CPC F25B15/002 is the Cooperative Patent Classification code for “using the endothermic solution of salt.”
- How many patents are filed under CPC F25B15/002 (using the endothermic solution of salt)?
- Our database includes 27 publications tagged with this CPC code.
- Is patent activity under CPC F25B15/002 growing?
- Publication counts under this code: 1 in 2024 vs 3 in 2025 (latest complete years).