Storing cold energy and freeze desalination of salt water
US-12492868-B2 · Dec 9, 2025 · US
Laminar
Laminar · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C02F2301/022 |
| Official title | Laminar |
| Display label | Laminar |
| Total patents | 61 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 7 |
| 2019 | 4 |
| 2020 | 9 |
| 2021 | 8 |
| 2022 | 9 |
| 2023 | 4 |
| 2024 | 7 |
| 2025 | 4 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fluid sterilization device
US-2025361159-A1 · Nov 27, 2025 · US
Electrolyzer with dynamic membrane
US-2025346505-A1 · Nov 13, 2025 · US
Fluid processing apparatus having fluid branching and joining member
US-2025083977-A1 · Mar 13, 2025 · US
Method for improving cross-flow filtration and cross-flow filtration system
US-2024409436-A1 · Dec 12, 2024 · US
Buoyancy cleaning device for aboveground pool
US-2024391796-A1 · Nov 28, 2024 · US
Buoyancy cleaning device for aboveground pool
US-2024391795-A1 · Nov 28, 2024 · US
Process and apparatus for continuous production of ultrapure water, use thereof and device for cutting of parts
US-2024351919-A1 · Oct 24, 2024 · US
Resistivity adjustment device and resistivity adjustment method
US-2024286098-A1 · Aug 29, 2024 · US
Plant and process for removing suspended solids, oils and greases from cooling water in the steel and metallurgical sector
US-2024181373-A1 · Jun 6, 2024 · US
Desalination and/or purification device, desalination and/or purification carbon membrane, and method of desalinating and/or purifying a liquid
US-2024051845-A1 · Feb 15, 2024 · US
Water treatment system
US-11834353-B2 · Dec 5, 2023 · US
Storing cold energy and freeze desalination of salt water
US-2023304746-A1 · Sep 28, 2023 · US
Hydrothermal liquefaction system
US-11661552-B2 · May 30, 2023 · US
SYSTEM AND METHOD FOR MODIFYING pH IN AN AQUEOUS ENVIRONMENT
US-2023080924-A1 · Mar 16, 2023 · US
Water treatment system
US-2022380230-A1 · Dec 1, 2022 · US
Feed spacer having three-layered structure, and reverse osmosis membrane filter module including same
US-11484841-B2 · Nov 1, 2022 · US
Buoyancy cleaning device for aboveground pool
US-2022289592-A1 · Sep 15, 2022 · US
Fluid sterilization apparatus
US-11396458-B2 · Jul 26, 2022 · US
Water treatment
US-11377379-B2 · Jul 5, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C02F2301/022?
- CPC C02F2301/022 is the Cooperative Patent Classification code for “Laminar.”
- How many patents are filed under CPC C02F2301/022 (Laminar)?
- Our database includes 61 publications tagged with this CPC code.
- Is patent activity under CPC C02F2301/022 growing?
- Publication counts under this code: 7 in 2024 vs 4 in 2025 (latest complete years).