Absorption type chiller
US-2025189179-A1 · Jun 12, 2025 · US
Liquid transfer means
Liquid transfer means · 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 | F25B15/025 |
| Official title | {Liquid transfer means} |
| Display label | Liquid transfer means |
| Total patents | 27 |
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 | 2 |
| 2017 | 5 |
| 2018 | 3 |
| 2019 | 3 |
| 2020 | 4 |
| 2022 | 2 |
| 2023 | 4 |
| 2024 | 1 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Absorption type chiller
US-2025189178-A1 · Jun 12, 2025 · US
Compact membrane-based absorption heat pump
US-12000630-B2 · Jun 4, 2024 · US
Separate quick-freezing equipment
US-2023235952-A1 · Jul 27, 2023 · US
Cooling systems and related method
US-11703266-B2 · Jul 18, 2023 · US
Diffusion absorption refrigeration apparatus and refrigeration method
US-11674720-B2 · Jun 13, 2023 · US
Compact membrane-based absorption heat pump
US-2023069597-A1 · Mar 2, 2023 · US
Air-cooled ammonia refrigeration systems and methods
US-11466905-B2 · Oct 11, 2022 · US
Liquid ammonia, sodium nitrate and lithium bromide diffusion refrigeration system
US-2022057117-A1 · Feb 24, 2022 · US
Diffusion absorption refrigeration apparatus and refrigeration method
US-2020340715-A1 · Oct 29, 2020 · US
Air-cooled ammonia refrigeration systems and methods
US-2020256591-A1 · Aug 13, 2020 · US
Cooling systems and related method
US-2020208899-A1 · Jul 2, 2020 · US
Air-cooled ammonia refrigeration systems and methods
US-10670307-B2 · Jun 2, 2020 · US
Adsorption refrigerator, method for controlling adsorption refrigerator, and cooling system
US-10267543-B2 · Apr 23, 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
Adsorption refrigerator, method for controlling adsorption refrigerator, and cooling system
US-2018224169-A1 · Aug 9, 2018 · US
Carbon dioxide co-fluid
US-9885002-B2 · Feb 6, 2018 · US
Air-Cooled Ammonia Refrigeration Systems and Methods
US-2018017294-A1 · Jan 18, 2018 · US
Eutectic mixtures of ionic liquids in absorption chillers
US-2017343250-A1 · Nov 30, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F25B15/025?
- CPC F25B15/025 is the Cooperative Patent Classification code for “Liquid transfer means.”
- How many patents are filed under CPC F25B15/025 (Liquid transfer means)?
- Our database includes 27 publications tagged with this CPC code.
- Is patent activity under CPC F25B15/025 growing?
- Publication counts under this code: 1 in 2024 vs 2 in 2025 (latest complete years).