Drum washer with gravity assist drainage
US-12551825-B2 · Feb 17, 2026 · US
Construction of suction casings, pans, or the like · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B01D33/745 |
| Official title | {Construction of suction casings, pans, or the like} |
| Display label | Construction of suction casings, pans, or the like |
| Total patents | 4 |
Year-over-year patent counts classified under this CPC code.
Filing activity appears to be declining based on the most recent years.
| Year | Patents |
|---|---|
| 2023 | 2 |
| 2025 | 1 |
| 2026 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12551825-B2 · Feb 17, 2026 · US
US-12427452-B2 · Sep 30, 2025 · US
US-2023302384-A1 · Sep 28, 2023 · US
US-2023131096-A1 · Apr 27, 2023 · US