Lithium isotope enrichment device, multi-stage lithium isotope enrichment device, and lithium isotope enrichment method
US-2025296048-A1 · Sep 25, 2025 · US
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Construction of the barrier
Construction of the barrier · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B01D59/14 |
| Official title | Construction of the barrier |
| Display label | Construction of the barrier |
| Total patents | 14 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2018 | 2 |
| 2020 | 2 |
| 2021 | 2 |
| 2022 | 3 |
| 2023 | 3 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Diffusion window for radioactive heat source
US-11894158-B2 · Feb 6, 2024 · US
Lithium isotope concentration device, multi-stage lithium isotope concentration device, and lithium isotope concentration method
US-2023256390-A1 · Aug 17, 2023 · US
Modular, disposable 3D printed microfluidic membrane system for separation and purification
US-11724213-B2 · Aug 15, 2023 · US
Hydrogen isotope separation systems
US-2023017076-A1 · Jan 19, 2023 · US
Hydrogen isotope separation methods and systems
US-11433353-B2 · Sep 6, 2022 · US
Diffusion Window For Radioactive Heat Source
US-2022037047-A1 · Feb 3, 2022 · US
Graphene membrane
US-2022001339-A1 · Jan 6, 2022 · US
Modular, disposable 3d printed microfluidic membrane system for separation and purification
US-2021268403-A1 · Sep 2, 2021 · US
Graphene membrane
US-10926228-B2 · Feb 23, 2021 · US
Hydrogen Isotope Separation Methods and Systems
US-2020384411-A1 · Dec 10, 2020 · US
Isotope separation methods and systems
US-10556206-B2 · Feb 11, 2020 · US
Graphene membrane
US-2018311624-A1 · Nov 1, 2018 · US
Isotope separation methods and systems
US-2018056240-A1 · Mar 1, 2018 · US