A microparticle filter, a textile treatment apparatus and method of filtering microparticles
US-2023381693-A1 · Nov 30, 2023 · US
containing liquid displacement elements or cores
containing liquid displacement elements or cores · 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 | B01D29/925 |
| Official title | {containing liquid displacement elements or cores} |
| Display label | containing liquid displacement elements or cores |
| Total patents | 72 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 4 |
| 2017 | 2 |
| 2018 | 6 |
| 2019 | 9 |
| 2020 | 6 |
| 2021 | 8 |
| 2022 | 14 |
| 2023 | 12 |
| 2024 | 5 |
| 2025 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method and apparatuses for screening
US-2023294022-A1 · Sep 21, 2023 · US
Filter device
US-2023264125-A1 · Aug 24, 2023 · US
Filter element having flow directing tube and standpipe and filter systems including the filter element
US-2023264122-A1 · Aug 24, 2023 · US
Method and apparatuses for screening
US-11707766-B2 · Jul 25, 2023 · US
Candle filter device
US-2023226470-A1 · Jul 20, 2023 · US
Candle filter element
US-2023226479-A1 · Jul 20, 2023 · US
Filter pulsation dampening device
US-11691096-B2 · Jul 4, 2023 · US
Filter device having a filter element
US-2023119622-A1 · Apr 20, 2023 · US
Round filter element of a filter for urea-water solution and filter
US-11617974-B2 · Apr 4, 2023 · US
Water purifier and flow rate control method therefor
US-11534709-B2 · Dec 27, 2022 · US
Filter cartridge for a whole house water filtering system
US-11471794-B2 · Oct 18, 2022 · US
Round Filter Element of a Filter for Urea-Water Solution and Filter
US-2022280890-A1 · Sep 8, 2022 · US
Water purifier and flow rate control method therefor
US-2022184537-A1 · Jun 16, 2022 · US
Round filter element of a filter for urea-water solution and filter
US-11351485-B2 · Jun 7, 2022 · US
Expansion membrane assembly and filter head in exhaust fluid filter assembly
US-2022118385-A1 · Apr 21, 2022 · US
Water purifier and flow rate control method therefor
US-11285415-B2 · Mar 29, 2022 · US
Method and apparatuses for screening
US-2022088639-A1 · Mar 24, 2022 · US
Method and apparatuses for screening
US-2022088638-A1 · Mar 24, 2022 · US
Filtering device for removing impurities in a mixture of biological diatomite
US-11260325-B2 · Mar 1, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D29/925?
- CPC B01D29/925 is the Cooperative Patent Classification code for “containing liquid displacement elements or cores.”
- How many patents are filed under CPC B01D29/925 (containing liquid displacement elements or cores)?
- Our database includes 72 publications tagged with this CPC code.
- Is patent activity under CPC B01D29/925 growing?
- Publication counts under this code: 5 in 2024 vs 5 in 2025 (latest complete years).