Filtration device for a water-bearing household appliance
US-12534388-B2 · Jan 27, 2026 · US
for discharging the filter cake, e.g. chutes
for discharging the filter cake, e.g. chutes · 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 | B01D29/94 |
| Official title | for discharging the filter cake, e.g. chutes |
| Display label | for discharging the filter cake, e.g. chutes |
| Total patents | 47 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 2 |
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 6 |
| 2020 | 3 |
| 2021 | 1 |
| 2022 | 8 |
| 2023 | 6 |
| 2024 | 8 |
| 2025 | 6 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
End material recovery apparatus
US-12521654-B2 · Jan 13, 2026 · US
Microparticles filter device for a laundry washing machine, the device being provided with a cleaning device and method for removing the cleaning device
US-2025327236-A1 · Oct 23, 2025 · US
Vessel screen retaining system and method
US-2025248438-A1 · Aug 7, 2025 · US
Method for producing a screen body, and screen
US-12319022-B2 · Jun 3, 2025 · US
Water sediment filter assembly
US-12303811-B2 · May 20, 2025 · US
Vessel screen retaining system and method
US-12290094-B2 · May 6, 2025 · US
Systems and methods for operating candle filters to recover glycols from drilling operations
US-12215555-B2 · Feb 4, 2025 · US
Mechanical separation device
US-12134049-B2 · Nov 5, 2024 · US
Self cleaning filtering system
US-2024337165-A1 · Oct 10, 2024 · US
Systems and methods for operating candle filters to recover glycols from drilling operations
US-2024318514-A1 · Sep 26, 2024 · US
Filtration device for a water-bearing household appliance
US-2024270604-A1 · Aug 15, 2024 · US
Vessel screen retaining system and method
US-2024196951-A1 · Jun 20, 2024 · US
Water sediment filter assembly
US-2024123375-A1 · Apr 18, 2024 · US
End material recovery apparatus
US-2024091681-A1 · Mar 21, 2024 · US
Vessel screen retaining system and method
US-11918030-B2 · Mar 5, 2024 · US
Method and apparatus to enhance fractional efficiency of diesel and gasoline particulate filters
US-11753975-B2 · Sep 12, 2023 · US
Liquid discharge filter and its use
US-11717775-B2 · Aug 8, 2023 · US
Water sediment filter assembly
US-2023241534-A1 · Aug 3, 2023 · US
Apparatus and method for processing substrate
US-2023211261-A1 · Jul 6, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D29/94?
- CPC B01D29/94 is the Cooperative Patent Classification code for “for discharging the filter cake, e.g. chutes.”
- How many patents are filed under CPC B01D29/94 (for discharging the filter cake, e.g. chutes)?
- Our database includes 47 publications tagged with this CPC code.
- Is patent activity under CPC B01D29/94 growing?
- Publication counts under this code: 8 in 2024 vs 6 in 2025 (latest complete years).