Freshness maintenance system
US-2025134118-A1 · May 1, 2025 · US
in the form of gases, e.g. fumigation; Compositions or apparatus therefor
in the form of gases, e.g. fumigation; Compositions or apparatus therefor · 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 | A23B2/704 |
| Official title | in the form of gases, e.g. fumigation; Compositions or apparatus therefor |
| Display label | in the form of gases, e.g. fumigation; Compositions or apparatus therefor |
| Total patents | 42 |
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 | 1 |
| 2017 | 5 |
| 2018 | 6 |
| 2019 | 8 |
| 2020 | 2 |
| 2021 | 5 |
| 2022 | 3 |
| 2023 | 6 |
| 2024 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Film for preserving edible meat
US-12022841-B2 · Jul 2, 2024 · US
Vacuum system and method for sterilization
US-2024138448-A1 · May 2, 2024 · US
Environmentally responsive trans-2-hexenal sustained-release agent, preparation method, and application
US-2023309555-A1 · Oct 5, 2023 · US
Engineered water nanostructures (EWNS) and uses thereof
US-11718866-B2 · Aug 8, 2023 · US
Method for improving nutrients in food ingredient, and control apparatus, storage cabinet and electronic device
US-2023180775-A1 · Jun 15, 2023 · US
Antimicrobial gas releasing agents and systems and methods for using the same
US-2023079404-A1 · Mar 16, 2023 · US
Engineered water nanostructures (ewns) and uses thereof
US-2023036792-A1 · Feb 2, 2023 · US
Nanocarriers for the delivery of active ingredients
US-11554190-B2 · Jan 17, 2023 · US
Engineered water nanostructures (EWNS) and uses thereof
US-11479799-B2 · Oct 25, 2022 · US
Sterilization method
US-11390543-B2 · Jul 19, 2022 · US
Food processing and/or packaging device and method for cleaning such device
US-2022047749-A1 · Feb 17, 2022 · US
Gasifier for sterilizer
US-11141501-B2 · Oct 12, 2021 · US
Film for preserving edible meat
US-2021161162-A1 · Jun 3, 2021 · US
A Steam Disinfection Inline System and Apparatus Agricultural Particulate Products
US-2021059101-A1 · Mar 4, 2021 · US
Fresh drawer and refrigerator using same
US-10907893-B2 · Feb 2, 2021 · US
Sterilization method
US-2021002155-A1 · Jan 7, 2021 · US
Nanocarriers for the delivery of active ingredients
US-2020222566-A1 · Jul 16, 2020 · US
Device for stored products protection and uses thereof
US-10653139-B2 · May 19, 2020 · US
Dual channel connector units, devices, methods, and systems including the same
US-10478748-B2 · Nov 19, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC A23B2/704?
- CPC A23B2/704 is the Cooperative Patent Classification code for “in the form of gases, e.g. fumigation; Compositions or apparatus therefor.”
- How many patents are filed under CPC A23B2/704 (in the form of gases, e.g. fumigation; Compositions or apparatus therefor)?
- Our database includes 42 publications tagged with this CPC code.
- Is patent activity under CPC A23B2/704 growing?
- Publication counts under this code: 2 in 2024 vs 1 in 2025 (latest complete years).