Vacuum system for removing caustic particulate matter from various environments
US-2020376423-A1 · Dec 3, 2020 · US
Pockets filters, i.e. multiple bag filters mounted on a common frame
Pockets filters, i.e. multiple bag filters mounted on a common frame · 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 | B01D46/023 |
| Official title | {Pockets filters, i.e. multiple bag filters mounted on a common frame} |
| Display label | Pockets filters, i.e. multiple bag filters mounted on a common frame |
| Total patents | 113 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 14 |
| 2016 | 6 |
| 2017 | 10 |
| 2018 | 9 |
| 2019 | 14 |
| 2020 | 14 |
| 2021 | 10 |
| 2022 | 7 |
| 2023 | 9 |
| 2024 | 8 |
| 2025 | 10 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Catalysed filter system for treating particulate-containing exhaust gas from stationary emission sources
US-2020306694-A1 · Oct 1, 2020 · US
Filter bags comprising a porous membrane
US-2020269180-A1 · Aug 27, 2020 · US
Filter bags comprising a porous membrane
US-2020269181-A1 · Aug 27, 2020 · US
Method and system for the removal of noxious compounds from flue-gas using fabric filter bags with an scr catalyst
US-2020188849-A1 · Jun 18, 2020 · US
Low particulate matter emission fabric filter
US-2020078720-A1 · Mar 12, 2020 · US
Filter media including a waved filtration layer
US-10561972-B2 · Feb 18, 2020 · US
Environmental Air Cleaning Device, Road Vehicle Having Environmental Air Cleaning Device, and Filter Element
US-2019336899-A1 · Nov 7, 2019 · US
Ambient Air Purification Device, Road Vehicle Having an Ambient Air Purification Device and Filter Element
US-2019337360-A1 · Nov 7, 2019 · US
Bag filter filtration and dust collecting apparatus for preventing dust accumulation
US-10464004-B2 · Nov 5, 2019 · US
Pocket filter assembly
US-2019321768-A1 · Oct 24, 2019 · US
Filter media including a waved filtration layer
US-10449474-B2 · Oct 22, 2019 · US
Filter media including oriented fibers
US-10441909-B2 · Oct 15, 2019 · US
A process for low temperature gas cleaning with ozone and a catalytic bag filter for use in the process
US-2019217240-A1 · Jul 18, 2019 · US
Air filter systems and methods of using the same
US-2019193012-A1 · Jun 27, 2019 · US
Gas turbine filtration system with inlet filter orientation assembly
US-10323572-B2 · Jun 18, 2019 · US
Filter bag assembly comprising catalytic material
US-2019118126-A1 · Apr 25, 2019 · US
Air filter systems and methods of using the same
US-10245543-B2 · Apr 2, 2019 · US
Valve
US-10234052-B2 · Mar 19, 2019 · US
Air filtering device
US-10232297-B2 · Mar 19, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D46/023?
- CPC B01D46/023 is the Cooperative Patent Classification code for “Pockets filters, i.e. multiple bag filters mounted on a common frame.”
- How many patents are filed under CPC B01D46/023 (Pockets filters, i.e. multiple bag filters mounted on a common frame)?
- Our database includes 113 publications tagged with this CPC code.
- Is patent activity under CPC B01D46/023 growing?
- Publication counts under this code: 8 in 2024 vs 10 in 2025 (latest complete years).