Assemblies; components and filter features thereof; and, methods of use and assembly
US-2016375391-A1 · Dec 29, 2016 · US
arranged concentrically or coaxially
arranged concentrically or coaxially · 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 | B01D46/64 |
| Official title | arranged concentrically or coaxially |
| Display label | arranged concentrically or coaxially |
| Total patents | 419 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 24 |
| 2016 | 38 |
| 2017 | 28 |
| 2018 | 29 |
| 2019 | 46 |
| 2020 | 44 |
| 2021 | 38 |
| 2022 | 39 |
| 2023 | 36 |
| 2024 | 45 |
| 2025 | 41 |
| 2026 | 11 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Nanofiber structural body and collecting apparatus using the nanofiber structural body, and method of producing the nanofiber structural body
US-9522352-B2 · Dec 20, 2016 · US
Layered Or Mixed Sorbent Bed Protective Filtration Device
US-2016361679-A1 · Dec 15, 2016 · US
Filter for a portable industrial air filtration device
US-9517428-B2 · Dec 13, 2016 · US
Wet/dry vacuum cleaner filter for wet material collection
US-9510718-B2 · Dec 6, 2016 · US
Filter device, especially an air filter
US-9492773-B2 · Nov 15, 2016 · US
Air filter element, filter housing and filter arrangement
US-9486729-B2 · Nov 8, 2016 · US
Air filter assembly
US-2016317961-A1 · Nov 3, 2016 · US
Filter Holder, Filter Element and Filter Arrangement
US-2016296872-A1 · Oct 13, 2016 · US
Filter holder and filter arrangement
US-2016296869-A1 · Oct 13, 2016 · US
Filter holder, filter element and filter arrangement
US-2016296868-A1 · Oct 13, 2016 · US
Air cleaner arrangements; components; and, methods
US-2016288039-A1 · Oct 6, 2016 · US
Air filter system, air filter element and method for exchanging an air filter element
US-2016279554-A1 · Sep 29, 2016 · US
Air cleaner arrangements; components; and methods
US-2016279557-A1 · Sep 29, 2016 · US
Air Cleaner; Replaceable Filter Cartridges; and, Methods
US-2016271546-A1 · Sep 22, 2016 · US
Collector assembly for a gaseous fluid for a radial reactor
US-2016256812-A1 · Sep 8, 2016 · US
Siloxane filtration system and method
US-2016258392-A1 · Sep 8, 2016 · US
Air filter assembly
US-9403113-B2 · Aug 2, 2016 · US
Filter Element
US-2016201619-A1 · Jul 14, 2016 · US
Filter element, air cleaner, and methods
US-2016177891-A1 · Jun 23, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D46/64?
- CPC B01D46/64 is the Cooperative Patent Classification code for “arranged concentrically or coaxially.”
- How many patents are filed under CPC B01D46/64 (arranged concentrically or coaxially)?
- Our database includes 419 publications tagged with this CPC code.
- Is patent activity under CPC B01D46/64 growing?
- Publication counts under this code: 45 in 2024 vs 41 in 2025 (latest complete years).