Tableware washing apparatus and filtering device thereof
US-12396614-B2 · Aug 26, 2025 · US
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Retarding cake deposition on the filter during the filtration period, e.g. using stirrers {(B01D29/908 takes precedence)}
Retarding cake deposition on the filter during the filtration period, e.g. using stirrers {(B01D29/908 takes precedence)} · 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 | B01D29/86 |
| Official title | Retarding cake deposition on the filter during the filtration period, e.g. using stirrers {(B01D29/908 takes precedence)} |
| Display label | Retarding cake deposition on the filter during the filtration period, e.g. using stirrers {(B01D29/908 takes precedence)} |
| Total patents | 21 |
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 | 2 |
| 2017 | 1 |
| 2018 | 5 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 3 |
| 2023 | 2 |
| 2024 | 3 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Devices and methods for the integrated filtration, drying, and mechanical processing of active pharmaceutical ingredients
US-12251651-B2 · Mar 18, 2025 · US
Filtration device
US-2025083075-A1 · Mar 13, 2025 · US
Mechanical separation devices
US-11969673-B2 · Apr 30, 2024 · US
Devices and methods for the integrated filtration, drying, and mechanical processing of active pharmaceutical ingredients
US-2024066443-A1 · Feb 29, 2024 · US
Devices and methods for the integrated filtration, drying, and mechanical processing of active pharmaceutical ingredients
US-11911719-B2 · Feb 27, 2024 · US
Tableware Washing Apparatus and Filtering Device Thereof
US-2023135406-A1 · May 4, 2023 · US
Micro algae harvesting methods and devices
US-11542463-B2 · Jan 3, 2023 · US
Design improvements for mechanical separation devices
US-2021394089-A1 · Dec 23, 2021 · US
Mechanical separation devices
US-11103811-B2 · Aug 31, 2021 · US
Devices and methods for the integrated filtration, drying, and mechanical processing of active pharmaceutical ingredients
US-2021086112-A1 · Mar 25, 2021 · US
Micro algae harvesting methods and devices
US-2020063084-A1 · Feb 27, 2020 · US
Suction head for connection to a fuel hose
US-10233880-B2 · Mar 19, 2019 · US
Filter assembly for a dishwasher appliance
US-10130239-B2 · Nov 20, 2018 · US
Suction Head for Connection to a Fuel Hose
US-2018128221-A1 · May 10, 2018 · US
Design improvements for mechanical separation devices
US-2018126302-A1 · May 10, 2018 · US
Filter assembly for a dishwasher appliance
US-2018042447-A1 · Feb 15, 2018 · US
Filter assembly for a dishwasher appliance
US-2018020900-A1 · Jan 25, 2018 · US
Controller for an acoustic standing wave generation device in order to prevent clogging of a filter
US-9636609-B2 · May 2, 2017 · US
Controller for an acoustic standing wave generation device in order to prevent clogging of a filter
US-2015174511-A1 · Jun 25, 2015 · US