Cyclonic particle separator
US-2025129726-A1 · Apr 24, 2025 · US
Apparatus in which the main direction of flow follows a flat spiral {; so-called flat cyclones or vortex chambers}
Apparatus in which the main direction of flow follows a flat spiral {; so-called flat cyclones or vortex chambers} · 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 | B04C1/00 |
| Official title | Apparatus in which the main direction of flow follows a flat spiral {; so-called flat cyclones or vortex chambers} |
| Display label | Apparatus in which the main direction of flow follows a flat spiral {; so-called flat cyclones or vortex chambers} |
| Total patents | 29 |
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 | 2 |
| 2016 | 5 |
| 2017 | 1 |
| 2018 | 4 |
| 2019 | 1 |
| 2020 | 4 |
| 2021 | 7 |
| 2022 | 3 |
| 2023 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Mineral separation using functionalized membranes
US-11731143-B2 · Aug 22, 2023 · US
Solid-liquid separator
US-11413557-B2 · Aug 16, 2022 · US
Efficient non-clogging inertial vortex type particle scrubber
US-11338232-B2 · May 24, 2022 · US
Air flow rates in cyclonic particle separation chambers
US-11266937-B2 · Mar 8, 2022 · US
Cyclone separation device
US-11167230-B2 · Nov 9, 2021 · US
Solid-liquid separator
US-2021316233-A1 · Oct 14, 2021 · US
Mineral separation using sized-, weight- or magnetic-based polymer bubbles or beads
US-11117141-B2 · Sep 14, 2021 · US
Extraction during additive manufacturing
US-11084209-B2 · Aug 10, 2021 · US
Efficient non-clogging inertial vortex type particle scrubber
US-2021138379-A1 · May 13, 2021 · US
Cyclone separation device
US-2021077931-A1 · Mar 18, 2021 · US
Heavy solids separator
US-10888805-B2 · Jan 12, 2021 · US
Cyclone separation device
US-10874966-B2 · Dec 29, 2020 · US
Air flow rates in cyclonic particle separation chambers
US-2020368658-A1 · Nov 26, 2020 · US
Extraction during additive manufacturing
US-2020262140-A1 · Aug 20, 2020 · US
Filter unit and plating apparatus including same
US-2020086330-A1 · Mar 19, 2020 · US
Cyclone separation device
US-2019184321-A1 · Jun 20, 2019 · US
Heavy Solids Separator
US-2018326326-A1 · Nov 15, 2018 · US
Mineral separation using sized-, weight- or magnetic-based polymer bubbles or beads
US-2018200730-A1 · Jul 19, 2018 · US
Techniques for transporting synthetic beads or bubbles in a flotation cell or column
US-9981272-B2 · May 29, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B04C1/00?
- CPC B04C1/00 is the Cooperative Patent Classification code for “Apparatus in which the main direction of flow follows a flat spiral {; so-called flat cyclones or vortex chambers}.”
- How many patents are filed under CPC B04C1/00 (Apparatus in which the main direction of flow follows a flat spiral {; so-called flat cyclones or vortex chambers})?
- Our database includes 29 publications tagged with this CPC code.
- Is patent activity under CPC B04C1/00 growing?
- Publication counts under this code: 1 in 2023 vs 1 in 2025 (latest complete years).