Axial flow centrifugal separator
US-12303816-B2 · May 20, 2025 · US
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of helically or spirally wound bodies
of helically or spirally wound bodies · 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 | B01D46/403 |
| Official title | {of helically or spirally wound bodies} |
| Display label | of helically or spirally wound bodies |
| Total patents | 17 |
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 | 1 |
| 2016 | 2 |
| 2018 | 2 |
| 2019 | 1 |
| 2020 | 4 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 3 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Axial flow centrifugal separator
US-2024269592-A1 · Aug 15, 2024 · US
Connectors for respiratory system components, a filter, and a respiratory conduit end cap
US-2024139459-A1 · May 2, 2024 · US
Axial flow centrifugal separator
US-11951431-B2 · Apr 9, 2024 · US
High bulk coalescing filter media and use thereof
US-11590435-B2 · Feb 28, 2023 · US
Axial flow centrifugal separator
US-2022387920-A1 · Dec 8, 2022 · US
Axial flow centrifugal separator
US-11446598-B2 · Sep 20, 2022 · US
Axial flow centrifugal separator
US-2020171420-A1 · Jun 4, 2020 · US
High bulk coalescing filter media and use thereof
US-2020086236-A1 · Mar 19, 2020 · US
Coalescence filter and method for purifying a fluid
US-10532297-B2 · Jan 14, 2020 · US
High bulk coalescing filter media and use thereof
US-10525377-B2 · Jan 7, 2020 · US
Coalescence filter
US-10486084-B2 · Nov 26, 2019 · US
Method for manufacturing ashless coal
US-2018044603-A1 · Feb 15, 2018 · US
Device and method for dynamic processing in water purification
US-9862624-B2 · Jan 9, 2018 · US
High bulk coalescing filter media and use thereof
US-2016296856-A1 · Oct 13, 2016 · US
Coalescence filter
US-2016263509-A1 · Sep 15, 2016 · US
Coalescence filter and method for purifying a fluid
US-2015182878-A1 · Jul 2, 2015 · US