Sodium ferrite particle powder and production method thereof
US-12421132-B2 · Sep 23, 2025 · US
Amassing the particles, e.g. by flocculation {(amassing by electric fields B03C3/0175)}
Amassing the particles, e.g. by flocculation {(amassing by electric fields B03C3/0175)} · 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 | B01D51/02 |
| Official title | Amassing the particles, e.g. by flocculation {(amassing by electric fields B03C3/0175)} |
| Display label | Amassing the particles, e.g. by flocculation {(amassing by electric fields B03C3/0175)} |
| Total patents | 27 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 1 |
| 2020 | 7 |
| 2021 | 2 |
| 2022 | 4 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Combustion apparatus and method of making a combustion apparatus
US-2025099894-A1 · Mar 27, 2025 · US
Cabin air filter system for a vehicle and method for cleaning air supplied to a vehicle cabin
US-2025032968-A1 · Jan 30, 2025 · US
Cabin air filter system for a vehicle and method for cleaning air supplied to a vehicle cabin
US-2025032971-A1 · Jan 30, 2025 · US
Combustion apparatus and method of making a combustion apparatus
US-12134066-B2 · Nov 5, 2024 · US
System and method for treating a fluid
US-2024066457-A1 · Feb 29, 2024 · US
Separating device for separating a fluid from gas as well as separating element and coupling element for such a separating device
US-11679353-B2 · Jun 20, 2023 · US
Sodium ferrite particle powder and production method thereof
US-2023029005-A1 · Jan 26, 2023 · US
Separating Device for Separating a Fluid from Gas as well as Separating Element and Coupling Element for such a Separating Device
US-2022118395-A1 · Apr 21, 2022 · US
Systems and methods for dry fog inlet particle separator
US-11261788-B2 · Mar 1, 2022 · US
Controlling flow of black powder in hydrocarbon pipelines
US-11241698-B2 · Feb 8, 2022 · US
Controlling flow of black powder in hydrocarbon pipelines
US-11235338-B2 · Feb 1, 2022 · US
Separating device for separating a fluid from gas as well as separating element and coupling element for such a separating device
US-11161071-B2 · Nov 2, 2021 · US
Controlling flow of black powder in hydrocarbon pipelines
US-11007536-B2 · May 18, 2021 · US
Control device for internal combustion engine
US-2020408120-A1 · Dec 31, 2020 · US
Controlling flow of black powder in hydrocarbon pipelines
US-2020360933-A1 · Nov 19, 2020 · US
Controlling flow of black powder in hydrocarbon pipelines
US-2020360934-A1 · Nov 19, 2020 · US
Controlling flow of black powder in hydrocarbon pipelines
US-2020360932-A1 · Nov 19, 2020 · US
Method of increasing particulate size
US-2020338492-A1 · Oct 29, 2020 · US
Systems and methods for dry fog inlet particle separator
US-2020291855-A1 · Sep 17, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D51/02?
- CPC B01D51/02 is the Cooperative Patent Classification code for “Amassing the particles, e.g. by flocculation {(amassing by electric fields B03C3/0175)}.”
- How many patents are filed under CPC B01D51/02 (Amassing the particles, e.g. by flocculation {(amassing by electric fields B03C3/0175)})?
- Our database includes 27 publications tagged with this CPC code.
- Is patent activity under CPC B01D51/02 growing?
- Publication counts under this code: 2 in 2024 vs 4 in 2025 (latest complete years).