Continuous disc filter device
US-12478903-B2 · Nov 25, 2025 · US
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for discharging filtrate
for discharging filtrate · 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 | B01D33/74 |
| Official title | for discharging filtrate |
| Display label | for discharging filtrate |
| Total patents | 12 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 2 |
| 2019 | 1 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
A filter unit for filtering microparticles and a filter cage for use in a filter unit
US-2024209560-A1 · Jun 27, 2024 · US
Rotary drum vacuum filter with a throttling valve
US-11980837-B2 · May 14, 2024 · US
Continuous disc filter device
US-2023110055-A1 · Apr 13, 2023 · US
Vertical screw screen with optimized transport features
US-2022219101-A1 · Jul 14, 2022 · US
Vacuum filter
US-2021252436-A1 · Aug 19, 2021 · US
Flat-face valve for pulp rotary drum vacuum washer filter
US-10328368-B2 · Jun 25, 2019 · US
Flat-face valve for pulp rotary drum vacuum washer filter
US-2017087493-A1 · Mar 30, 2017 · US
Flat-face valve for pulp rotary drum vacuum washer filter and method
US-9551430-B2 · Jan 24, 2017 · US
Separation unit, separation method, fluid device, and composite fluid device and kit
US-2016274010-A1 · Sep 22, 2016 · US
Connector for a filter plate
US-2015343347-A1 · Dec 3, 2015 · US
Flat-face valve for pulp rotary drum vacuum washer filter and method
US-2015292639-A1 · Oct 15, 2015 · US