Ethylene filtration system for a refrigerator
US-2025035363-A1 · Jan 30, 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 | A23L3/3445 |
| Official title | — |
| Display label | Human Necessities (mapped technology topic) |
| Total patents | 44 |
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 | 1 |
| 2016 | 2 |
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 6 |
| 2020 | 10 |
| 2021 | 4 |
| 2022 | 4 |
| 2023 | 7 |
| 2024 | 6 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Volatile applications against pathogens
US-2024206470-A1 · Jun 27, 2024 · US
Vacuum system and method for sterilization
US-2024138448-A1 · May 2, 2024 · US
Volatile applications against pathogens
US-11917997-B2 · Mar 5, 2024 · US
Sliced rare, medium rare and medium cooked roast beef in modified atmosphere packaging
US-2024059440-A1 · Feb 22, 2024 · US
Large-scale methods of uniformly coating packaging surfaces with a volatile antimicrobial to preserve food freshness
US-2024049714-A1 · Feb 15, 2024 · US
Gasifier for sterilizer and cleaning method of gasifier for sterilizer
US-11872323-B2 · Jan 16, 2024 · US
Gasifier for sterilizer and cleaning method of gasifier for sterilizer
US-11806437-B2 · Nov 7, 2023 · US
Packaged presliced ready-to-eat meat products and methods thereof
US-2023337690-A1 · Oct 26, 2023 · US
Large-scale methods of uniformly coating packaging surfaces with a volatile antimicrobial to preserve food freshness
US-11771089-B2 · Oct 3, 2023 · US
Flexible plasma applicators based on fibrous layers
US-11684686-B2 · Jun 27, 2023 · US
Controlling produce ripening during transit
US-2023103922-A1 · Apr 6, 2023 · US
Methods, systems and compositions using aldehyde for inhibition of melanosis
US-2023107597-A1 · Apr 6, 2023 · US
Active compound attachment for preserving product in a package, and method of making and using same
US-2023106296-A1 · Apr 6, 2023 · US
Large-scale methods of uniformly coating packaging surfaces with a volatile antimicrobial to preserve food freshness
US-2022361503-A1 · Nov 17, 2022 · US
Gasifier for sterilizer and cleaning method of gasifier for sterilizer
US-11305029-B2 · Apr 19, 2022 · US
Community system
US-11302945-B2 · Apr 12, 2022 · US
Volatile applications against pathogens
US-2022095623-A1 · Mar 31, 2022 · US
Volatile applications against pathogens
US-11202448-B2 · Dec 21, 2021 · US
Integrated gas delivery/removal system
US-2021259287-A1 · Aug 26, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC A23L3/3445?
- CPC A23L3/3445 is the Cooperative Patent Classification code for “Human Necessities.”
- How many patents are filed under CPC A23L3/3445 (Human Necessities)?
- Our database includes 44 publications tagged with this CPC code.
- Is patent activity under CPC A23L3/3445 growing?
- Publication counts under this code: 6 in 2024 vs 1 in 2025 (latest complete years).