Uniform spray-coating, cumulatively-stacking and squeezing solid-liquid separation system
US-2025205619-A1 · Jun 26, 2025 · US
This page is not indexed by search engines while we improve data quality.
Feeding devices {; Discharge devices}
Feeding devices {; Discharge devices} · 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 | B01D25/30 |
| Official title | Feeding devices {; Discharge devices} |
| Display label | Feeding devices {; Discharge devices} |
| Total patents | 14 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 3 |
| 2020 | 1 |
| 2023 | 3 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Filtrate vat assembly for a filter press
US-2024033661-A1 · Feb 1, 2024 · US
A grid and a vat for a filtrate vat assembly of a vertical filter press
US-2023364531-A1 · Nov 16, 2023 · US
A filter plate assembly for a horizontal plate and frame-type filter, such as a tower press, a filter plate and a vat liner
US-2023201746-A1 · Jun 29, 2023 · US
A filter plate for a horizontal plate and frame-type filter, such as a tower press
US-2023166202-A1 · Jun 1, 2023 · US
Horizontal pressure filter with washing liquid recovery, and a filter system, a method for operating and a computer program product related thereto
US-10532301-B2 · Jan 14, 2020 · US
Filling shoe, a filling shoe arrangement having such a filling shoe, a filter medium assembly having such filling shoe arrangements, and a method for providing a filter medium with such a filling shoe
US-10399009-B2 · Sep 3, 2019 · US
Horizontal pressure filter with washing liquid recovery, and a filter system, a method for operating and a computer program product related thereto
US-2019151783-A1 · May 23, 2019 · US
Filling shoe, a filling shoe arrangement having such a filling shoe, a filter medium assembly having such filling shoe arrangements, and a method for providing a filter medium with such a filling shoe
US-2019070529-A1 · Mar 7, 2019 · US
Filter device and method for filtering a suspension
US-9968871-B2 · May 15, 2018 · US
Process and materials using z-filter media, and/or, closing flutes of filter media; and, products
US-9770686-B2 · Sep 26, 2017 · US
Process and materials using z-filter media, and/or, closing flutes of filter media; and, products
US-2015231547-A1 · Aug 20, 2015 · US
Filter device and method for filtering a suspension
US-2015068986-A1 · Mar 12, 2015 · US
Process and materials for coiling z-filter media; and/or closing flutes of filter media; and, products
US-8961722-B2 · Feb 24, 2015 · US