Process and plant for providing a nitrogen product, an oxygen product and a hydrogen product
US-2025271208-A1 · Aug 28, 2025 · US
for compensating variable air feed or variable product demand by alternating between periods of liquid storage and liquid assist
for compensating variable air feed or variable product demand by alternating between periods of liquid storage and liquid assist · 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 | F25J3/04496 |
| Official title | {for compensating variable air feed or variable product demand by alternating between periods of liquid storage and liquid assist} |
| Display label | for compensating variable air feed or variable product demand by alternating between periods of liquid storage and liquid assist |
| Total patents | 32 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 3 |
| 2017 | 4 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 5 |
| 2023 | 7 |
| 2024 | 2 |
| 2025 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Air separation unit
US-2025257941-A1 · Aug 14, 2025 · US
Method and plant for the production of ammonia with renewable energy
US-12365595-B2 · Jul 22, 2025 · US
Integrated nitrogen liquefier for a nitrogen and argon producing cryogenic air separation unit
US-12247783-B2 · Mar 11, 2025 · US
Method and plant for the production of ammonia with renewable energy
US-2025002360-A1 · Jan 2, 2025 · US
Method for obtaining one or more air products and air separation system
US-12158303-B2 · Dec 3, 2024 · US
Method and plant for producing ammonia
US-2024255220-A1 · Aug 1, 2024 · US
Method and apparatus for separating air by cryogenic distillation
US-11852408-B2 · Dec 26, 2023 · US
Method and unit for low-temperature air separation
US-11846468-B2 · Dec 19, 2023 · US
Nitrogen process for production of ammonia and liquid hydrogen
US-11834333-B2 · Dec 5, 2023 · US
Process and apparatus for cryogenic separation of air with mixed gas turbine
US-2023358468-A1 · Nov 9, 2023 · US
Flexible asu for variable energy cost
US-2023314069-A1 · Oct 5, 2023 · US
Dual stirling cycle liquid air battery
US-11692508-B2 · Jul 4, 2023 · US
Integrated nitrogen liquefier for a nitrogen and argon producing cryogenic air separation unit
US-11629913-B2 · Apr 18, 2023 · US
Cryogenic carbon capture and energy storage
US-2022349650-A1 · Nov 3, 2022 · US
Method and system for low-temperature air separation
US-2022228804-A1 · Jul 21, 2022 · US
Gas production system
US-11346603-B2 · May 31, 2022 · US
Dual stirling cycle liquid air battery
US-2022042478-A1 · Feb 10, 2022 · US
Method for obtaining one or more air products and air separation system
US-2022026145-A1 · Jan 27, 2022 · US
Method and unit for low-temperature air separation
US-2021381761-A1 · Dec 9, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F25J3/04496?
- CPC F25J3/04496 is the Cooperative Patent Classification code for “for compensating variable air feed or variable product demand by alternating between periods of liquid storage and liquid assist.”
- How many patents are filed under CPC F25J3/04496 (for compensating variable air feed or variable product demand by alternating between periods of liquid storage and liquid assist)?
- Our database includes 32 publications tagged with this CPC code.
- Is patent activity under CPC F25J3/04496 growing?
- Publication counts under this code: 2 in 2024 vs 5 in 2025 (latest complete years).