Deionization filter assembly with cylinder-in-cylinder design
US-2025387730-A1 · Dec 25, 2025 · US
Combined upward and downward filtration · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B01D24/18 |
| Official title | Combined upward and downward filtration |
| Display label | Combined upward and downward filtration |
| Total patents | 4 |
Year-over-year patent counts classified under this CPC code.
Filing activity appears stable based on the most recent years.
| Year | Patents |
|---|---|
| 2017 | 1 |
| 2022 | 1 |
| 2023 | 1 |
| 2025 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2025387730-A1 · Dec 25, 2025 · US
US-11654383-B2 · May 23, 2023 · US
US-2022161165-A1 · May 26, 2022 · US
US-9580335-B2 · Feb 28, 2017 · US