Merchandiser
US-12349816-B2 · Jul 8, 2025 · US
Air curtain closures
Air curtain closures · 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 | F25D23/023 |
| Official title | {Air curtain closures} |
| Display label | Air curtain closures |
| Total patents | 48 |
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 | 6 |
| 2017 | 7 |
| 2018 | 7 |
| 2019 | 6 |
| 2020 | 9 |
| 2021 | 3 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 3 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Food freezing apparatus and food processing system
US-12193466-B2 · Jan 14, 2025 · US
Refrigerated compartment air distribution assembly
US-12130066-B2 · Oct 29, 2024 · US
Merchandiser
US-12096867-B2 · Sep 24, 2024 · US
Merchandiser
US-2024016314-A1 · Jan 18, 2024 · US
Food Freezing Apparatus and Food Processing System
US-2023301331-A1 · Sep 28, 2023 · US
Curtain track seal
US-11549742-B2 · Jan 10, 2023 · US
Refrigerator
US-11428454-B2 · Aug 30, 2022 · US
Refrigerated compartment air distribution assembly
US-2022042736-A1 · Feb 10, 2022 · US
Merchandiser
US-2021378421-A1 · Dec 9, 2021 · US
Refrigerated compartment air distribution assembly
US-11168933-B2 · Nov 9, 2021 · US
Merchandiser
US-11096504-B2 · Aug 24, 2021 · US
Refrigerator assembly
US-10837695-B2 · Nov 17, 2020 · US
Merchandiser
US-2020345157-A1 · Nov 5, 2020 · US
Discharge air straightener
US-10765231-B2 · Sep 8, 2020 · US
Refrigerator control method and system with inverter compressor
US-10739066-B2 · Aug 11, 2020 · US
Refrigerator
US-2020208901-A1 · Jul 2, 2020 · US
Refrigerator
US-10634418-B2 · Apr 28, 2020 · US
Refrigerator
US-2020124338-A1 · Apr 23, 2020 · US
Curtain track seal
US-2020109890-A1 · Apr 9, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F25D23/023?
- CPC F25D23/023 is the Cooperative Patent Classification code for “Air curtain closures.”
- How many patents are filed under CPC F25D23/023 (Air curtain closures)?
- Our database includes 48 publications tagged with this CPC code.
- Is patent activity under CPC F25D23/023 growing?
- Publication counts under this code: 3 in 2024 vs 2 in 2025 (latest complete years).