Method for controlling refrigerator
US-2022235977-A1 · Jul 28, 2022 · US
specially adapted for storing deep-frozen articles (F25D11/02 takes precedence)
specially adapted for storing deep-frozen articles (F25D11/02 takes precedence) · 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 | F25D11/04 |
| Official title | specially adapted for storing deep-frozen articles (F25D11/02 takes precedence) |
| Display label | specially adapted for storing deep-frozen articles (F25D11/02 takes precedence) |
| Total patents | 93 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 6 |
| 2017 | 5 |
| 2018 | 13 |
| 2019 | 10 |
| 2020 | 9 |
| 2021 | 6 |
| 2022 | 14 |
| 2023 | 8 |
| 2024 | 11 |
| 2025 | 8 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for controlling refrigerator
US-2022214083-A1 · Jul 7, 2022 · US
Refrigerator
US-2022178606-A1 · Jun 9, 2022 · US
Refrigeration apparatus
US-2022146185-A1 · May 12, 2022 · US
Refrigerator control method
US-2022146154-A1 · May 12, 2022 · US
Cooling system with partly flooded low side heat exchanger
US-11268746-B2 · Mar 8, 2022 · US
Refrigerator control method
US-2022042739-A1 · Feb 10, 2022 · US
Heat insulation box manufacturing method and heat insulation box
US-11221172-B2 · Jan 11, 2022 · US
Refrigerator
US-2021381739-A1 · Dec 9, 2021 · US
Testing environment for cryogenic chamber
US-2021333038-A1 · Oct 28, 2021 · US
Refrigerator and method of operating the same
US-11067323-B2 · Jul 20, 2021 · US
Cooling device
US-2021199357-A1 · Jul 1, 2021 · US
Cooling system with partly flooded low side heat exchanger
US-2021180851-A1 · Jun 17, 2021 · US
Refrigeration cabinet and refrigeration cabinet operation method
US-2021088261-A1 · Mar 25, 2021 · US
Refrigerator including cryogenic freezing compartment
US-10852049-B2 · Dec 1, 2020 · US
Refrigerator
US-10808983-B2 · Oct 20, 2020 · US
Refrigerator
US-2020326108-A1 · Oct 15, 2020 · US
Ultra low-temperature freezer
US-10782061-B2 · Sep 22, 2020 · US
Refrigeration system and device
US-10724757-B2 · Jul 28, 2020 · US
Refrigerator
US-10718552-B2 · Jul 21, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F25D11/04?
- CPC F25D11/04 is the Cooperative Patent Classification code for “specially adapted for storing deep-frozen articles (F25D11/02 takes precedence).”
- How many patents are filed under CPC F25D11/04 (specially adapted for storing deep-frozen articles (F25D11/02 takes precedence))?
- Our database includes 93 publications tagged with this CPC code.
- Is patent activity under CPC F25D11/04 growing?
- Publication counts under this code: 11 in 2024 vs 8 in 2025 (latest complete years).