Airtight box
US-2018356148-A1 · Dec 13, 2018 · US
combined with trays
combined with trays · 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 | F25D25/021 |
| Official title | {combined with trays} |
| Display label | combined with trays |
| Total patents | 181 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 20 |
| 2017 | 22 |
| 2018 | 17 |
| 2019 | 21 |
| 2020 | 19 |
| 2021 | 16 |
| 2022 | 23 |
| 2023 | 17 |
| 2024 | 12 |
| 2025 | 9 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Ice-making device for refrigerator
US-10132544-B2 · Nov 20, 2018 · US
Household appliance comprising shelf arrangement
US-2018328653-A1 · Nov 15, 2018 · US
Refrigerator, door assembly therefor, and method for producing door assembly
US-2018320952-A1 · Nov 8, 2018 · US
U-shaped tuck shelf
US-10018409-B2 · Jul 10, 2018 · US
Refrigerator having very low temperature freezer compartment
US-2018187946-A1 · Jul 5, 2018 · US
Refrigerator
US-2018149415-A1 · May 31, 2018 · US
Slide out door bin
US-2018142943-A1 · May 24, 2018 · US
Apparatus, system, and method for storage in a refrigerated appliance
US-9939193-B2 · Apr 10, 2018 · US
Domestic refrigeration appliance apparatus and method of operating the apparatus
US-2018058751-A1 · Mar 1, 2018 · US
Refrigeration device having a tray
US-9903642-B2 · Feb 27, 2018 · US
Storage module with built-in cap opener
US-9903640-B2 · Feb 27, 2018 · US
Domestic refrigeration appliance with a keep-fresh container the front wall of which is an outer wall of the appliance
US-9903635-B2 · Feb 27, 2018 · US
Refrigerator
US-2018017315-A1 · Jan 18, 2018 · US
Refrigerator comprising a crisper
US-9845984-B2 · Dec 19, 2017 · US
Slide out door bin
US-9816746-B1 · Nov 14, 2017 · US
Refrigerator having interior lighting used for synchronized user feedback of zone selection
US-2017314848-A1 · Nov 2, 2017 · US
Refrigerator
US-9803916-B2 · Oct 31, 2017 · US
Ice-making device for refrigerator
US-2017292747-A1 · Oct 12, 2017 · US
Ice-making device for refrigerator
US-2017292749-A1 · Oct 12, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F25D25/021?
- CPC F25D25/021 is the Cooperative Patent Classification code for “combined with trays.”
- How many patents are filed under CPC F25D25/021 (combined with trays)?
- Our database includes 181 publications tagged with this CPC code.
- Is patent activity under CPC F25D25/021 growing?
- Publication counts under this code: 12 in 2024 vs 9 in 2025 (latest complete years).