Electric field generating device and cold storage provided with same
US-12207674-B2 · Jan 28, 2025 · US
Human Necessities
Human Necessities · Cooperative Patent Classification (CPC)
Agriculture, food, personal care, health, and life sciences.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | A23L3/32 |
| Official title | — |
| Display label | Human Necessities (mapped technology topic) |
| Total patents | 30 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 3 |
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 4 |
| 2022 | 3 |
| 2023 | 5 |
| 2024 | 4 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Magnetic field freshness-preserving storage container and refrigerator
US-2024358046-A1 · Oct 31, 2024 · US
Magnetic field-based fresh-keeping storage container and refrigerator
US-2024353170-A1 · Oct 24, 2024 · US
Refrigerator with freezing storage device
US-2024060702-A1 · Feb 22, 2024 · US
Meat preservation apparatus and method allowed to broaden ice temperature
US-11864573-B1 · Jan 9, 2024 · US
Grilling method for controlling content of polycyclic aromatic hydrocarbons in charcoal-grilled meat
US-11717003-B2 · Aug 8, 2023 · US
Engineered water nanostructures (EWNS) and uses thereof
US-11718866-B2 · Aug 8, 2023 · US
Electret membrane, preparation method, refrigerator body assembly and refrigeration apparatus
US-2023217965-A1 · Jul 13, 2023 · US
Waterless ice crystal nucleator for supercooled beverages
US-11690388-B2 · Jul 4, 2023 · US
Engineered water nanostructures (ewns) and uses thereof
US-2023036792-A1 · Feb 2, 2023 · US
Engineered water nanostructures (EWNS) and uses thereof
US-11479799-B2 · Oct 25, 2022 · US
Electric field generating device and cold storage provided with same
US-2022117272-A1 · Apr 21, 2022 · US
Grilling method for controlling content of polycyclic aromatic hydrocarbons in charcoal-grilled meat
US-2022110335-A1 · Apr 14, 2022 · US
Plasma sterilizer apparatus for pipe
US-10820613-B2 · Nov 3, 2020 · US
Aseptic processing for food and beverages
US-2020297000-A1 · Sep 24, 2020 · US
Array induced electric field fluid reaction system and applications thereof
US-10695736-B2 · Jun 30, 2020 · US
Method of supercooling perishable materials
US-10588336-B2 · Mar 17, 2020 · US
Method of supercooling perishable materials
US-2019281868-A1 · Sep 19, 2019 · US
Magnetite-based heterogeneous ice-crystal nucleation
US-10285420-B2 · May 14, 2019 · US
Atmospherically Fried Crisps, Equipment and Method for Making Same
US-2019116854-A1 · Apr 25, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC A23L3/32?
- CPC A23L3/32 is the Cooperative Patent Classification code for “Human Necessities.”
- How many patents are filed under CPC A23L3/32 (Human Necessities)?
- Our database includes 30 publications tagged with this CPC code.
- Is patent activity under CPC A23L3/32 growing?
- Publication counts under this code: 4 in 2024 vs 1 in 2025 (latest complete years).