Inside air control system
US-2020390116-A1 · Dec 17, 2020 · US
in a controlled atmosphere, e.g. partial vacuum, comprising only CO2, N2, O2 or H2O
in a controlled atmosphere, e.g. partial vacuum, comprising only CO2, N2, O2 or H2O · 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 | A23B7/148 |
| Official title | in a controlled atmosphere, e.g. partial vacuum, comprising only CO2, N2, O2 or H2O |
| Display label | in a controlled atmosphere, e.g. partial vacuum, comprising only CO2, N2, O2 or H2O |
| Total patents | 122 |
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 | 6 |
| 2017 | 5 |
| 2018 | 16 |
| 2019 | 11 |
| 2020 | 19 |
| 2021 | 22 |
| 2022 | 13 |
| 2023 | 13 |
| 2024 | 7 |
| 2025 | 6 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Inside air control apparatus and container refrigeration apparatus including the same
US-2020383342-A1 · Dec 10, 2020 · US
Compositions and methods for packaging produce
US-2020329724-A1 · Oct 22, 2020 · US
Method of controlling atmosphere in a refrigerated container
US-2020326115-A1 · Oct 15, 2020 · US
Refrigeration unit with atmosphere control system
US-2020326117-A1 · Oct 15, 2020 · US
Gas supply device, interior air adjustment device, and container refrigeration device
US-2020260749-A1 · Aug 20, 2020 · US
Internal air adjustment device
US-2020253227-A1 · Aug 13, 2020 · US
Air composition adjusting device
US-2020254384-A1 · Aug 13, 2020 · US
Air composition adjusting device
US-2020253226-A1 · Aug 13, 2020 · US
Filter unit, gas supply device, inside air conditioner, and cooling device for container
US-2020229454-A1 · Jul 23, 2020 · US
Compositions and methods for packaging produce
US-10701949-B2 · Jul 7, 2020 · US
Active controlled atmosphere systems
US-2020205447-A1 · Jul 2, 2020 · US
Controlled atmosphere systems
US-2020205429-A1 · Jul 2, 2020 · US
Method for food pasteurization
US-2020196619-A1 · Jun 25, 2020 · US
New packaging method for fruits and vegetables
US-2020163351-A1 · May 28, 2020 · US
Gas supply device, device for controlling inside air, and refrigeration device for container
US-2020132355-A1 · Apr 30, 2020 · US
Container refrigeration apparatus with nitrogen-enriched air supply and fan control
US-10617127-B2 · Apr 14, 2020 · US
Storage device
US-2020060317-A1 · Feb 27, 2020 · US
Refrigeration and freezing device
US-2020064051-A1 · Feb 27, 2020 · US
Refrigeration device for container
US-10499660-B2 · Dec 10, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC A23B7/148?
- CPC A23B7/148 is the Cooperative Patent Classification code for “in a controlled atmosphere, e.g. partial vacuum, comprising only CO2, N2, O2 or H2O.”
- How many patents are filed under CPC A23B7/148 (in a controlled atmosphere, e.g. partial vacuum, comprising only CO2, N2, O2 or H2O)?
- Our database includes 122 publications tagged with this CPC code.
- Is patent activity under CPC A23B7/148 growing?
- Publication counts under this code: 7 in 2024 vs 6 in 2025 (latest complete years).