Filter cartridges; air cleaner assemblies; housings; features components; and, methods
US-2018369735-A1 · Dec 27, 2018 · US
in stacked arrangement
in stacked arrangement · 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 | B01D46/526 |
| Official title | {in stacked arrangement} |
| Display label | in stacked arrangement |
| Total patents | 225 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 15 |
| 2016 | 19 |
| 2017 | 16 |
| 2018 | 21 |
| 2019 | 17 |
| 2020 | 31 |
| 2021 | 23 |
| 2022 | 26 |
| 2023 | 19 |
| 2024 | 24 |
| 2025 | 11 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Gas purge filter
US-2018308733-A1 · Oct 25, 2018 · US
Filter cartridges; air cleaner assemblies; housings; features; components; and, methods
US-2018257017-A1 · Sep 13, 2018 · US
Air filter arrangement; air cleaner assembly; and, methods
US-10029202-B2 · Jul 24, 2018 · US
Filter
US-10010892-B2 · Jul 3, 2018 · US
Filter with preformed end caps having notch feature
US-2018169555-A1 · Jun 21, 2018 · US
Filter media, filter media packs, and filter elements
US-2018161717-A1 · Jun 14, 2018 · US
Air filter arrangements; assemblies; and, methods
US-9943797-B2 · Apr 17, 2018 · US
Air filter arrangement; assembly; and, methods
US-2018099242-A1 · Apr 12, 2018 · US
Air cleaner, components thereof, and methods
US-2018065069-A1 · Mar 8, 2018 · US
Filter cartridge with seal member and methods
US-2017361255-A1 · Dec 21, 2017 · US
Filtration media packs comprising plurality of bosses between filter media, filter elements, and methods for manufacturing
US-2017333818-A1 · Nov 23, 2017 · US
Air filter arrangement; assembly; and, methods
US-9795911-B2 · Oct 24, 2017 · US
Filter cartridge with seal member and methods
US-9776120-B2 · Oct 3, 2017 · US
Filtration media pack, filter elements, and air filtration media
US-2017266603-A1 · Sep 21, 2017 · US
Filter elements, air cleaner assemblies, and methods of use and assembly
US-2017246571-A1 · Aug 31, 2017 · US
Air filtration media pack, filter element, air filtration media, and methods
US-2017216758-A1 · Aug 3, 2017 · US
Filtration media, pleated media pack, filter cartridge, and methods for manufacturing
US-2017216757-A1 · Aug 3, 2017 · US
Filter cartridge with seal member and methods
US-2017182444-A1 · Jun 29, 2017 · US
Air Filter Arrangement; Assembly; and, Methods
US-2017182443-A1 · Jun 29, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D46/526?
- CPC B01D46/526 is the Cooperative Patent Classification code for “in stacked arrangement.”
- How many patents are filed under CPC B01D46/526 (in stacked arrangement)?
- Our database includes 225 publications tagged with this CPC code.
- Is patent activity under CPC B01D46/526 growing?
- Publication counts under this code: 24 in 2024 vs 11 in 2025 (latest complete years).