Caloric heat pump system
US-10281177-B2 · May 7, 2019 · US
using primary and secondary refrigeration systems
using primary and secondary refrigeration 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 | F25D11/025 |
| Official title | {using primary and secondary refrigeration systems} |
| Display label | using primary and secondary refrigeration systems |
| Total patents | 150 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 8 |
| 2017 | 17 |
| 2018 | 24 |
| 2019 | 10 |
| 2020 | 15 |
| 2021 | 10 |
| 2022 | 27 |
| 2023 | 8 |
| 2024 | 10 |
| 2025 | 12 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Household Cooling Appliance With an Ice Tray and a Cooling Device in a Door
US-2019072317-A1 · Mar 7, 2019 · US
Refrigerator and method of operating the same
US-2019011158-A1 · Jan 10, 2019 · US
Refrigerator cooling system having secondary cooling loop
US-10161665-B2 · Dec 25, 2018 · US
Refrigerator
US-2018347871-A1 · Dec 6, 2018 · US
Refrigerator
US-10145600-B2 · Dec 4, 2018 · US
Secondary cooling path in refrigerator
US-10132548-B2 · Nov 20, 2018 · US
Refrigeration appliance with a fluid reservoir
US-10126044-B2 · Nov 13, 2018 · US
Hybrid Cooling Appliance
US-2018320948-A1 · Nov 8, 2018 · US
Refrigerator
US-2018292119-A1 · Oct 11, 2018 · US
Refrigerator
US-2018283765-A1 · Oct 4, 2018 · US
Linearly-actuated magnetocaloric heat pump
US-10047979-B2 · Aug 14, 2018 · US
Refrigerator having very low temperature freezer compartment
US-2018187946-A1 · Jul 5, 2018 · US
Refrigerator
US-2018187944-A1 · Jul 5, 2018 · US
Caloric heat pump system
US-2018172323-A1 · Jun 21, 2018 · US
Sorption system in a transport refrigeration system
US-2018149393-A1 · May 31, 2018 · US
Refrigerator
US-2018087810-A1 · Mar 29, 2018 · US
Cooling water stirrer and water purifier having the same
US-2018056217-A1 · Mar 1, 2018 · US
Refrigerator, thermosyphon, and solenoid valve and method for controlling the same
US-9897365-B2 · Feb 20, 2018 · US
High efficiency refrigerator
US-9897364-B2 · Feb 20, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F25D11/025?
- CPC F25D11/025 is the Cooperative Patent Classification code for “using primary and secondary refrigeration systems.”
- How many patents are filed under CPC F25D11/025 (using primary and secondary refrigeration systems)?
- Our database includes 150 publications tagged with this CPC code.
- Is patent activity under CPC F25D11/025 growing?
- Publication counts under this code: 10 in 2024 vs 12 in 2025 (latest complete years).