Laminated fabric structure and method for fabricating the same
US-2022281208-A1 · Sep 8, 2022 · US
using nano- or microfibres
using nano- or microfibres · 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 | B01D46/546 |
| Official title | {using nano- or microfibres} |
| Display label | using nano- or microfibres |
| Total patents | 83 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 8 |
| 2017 | 9 |
| 2018 | 6 |
| 2019 | 10 |
| 2020 | 9 |
| 2021 | 6 |
| 2022 | 9 |
| 2023 | 8 |
| 2024 | 5 |
| 2025 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fluid sterilization system
US-2022160925-A1 · May 26, 2022 · US
Filter medium for deactivating pathogens and/or allergens
US-2022152533-A1 · May 19, 2022 · US
Cyclonic vehicular traffic pollution control system
US-2022072458-A1 · Mar 10, 2022 · US
Reusable breathing mask using disposable recyclable flexible materials
US-2021322797-A1 · Oct 21, 2021 · US
Filter medium, method for producing same and the filter medium in a filter element
US-2021129060-A1 · May 6, 2021 · US
Pulse cleanable deep pleated industrial filter
US-2021129068-A1 · May 6, 2021 · US
Air-Permeable Sheet Filter Material, Methods for the Production and Use Thereof
US-2021106976-A1 · Apr 15, 2021 · US
Fine fiber media layer
US-10967315-B2 · Apr 6, 2021 · US
Titanium oxide-comprising fibrous filter material
US-2021069621-A1 · Mar 11, 2021 · US
Nanofiber vent device for urea water tank and method for manufacturing same
US-10774714-B2 · Sep 15, 2020 · US
System and method for engineered ceramic packages for use in fluid treatment technologies
US-2020222839-A1 · Jul 16, 2020 · US
System and method for engineered ceramic packages for use in fluid treatment technologies
US-2020222838-A1 · Jul 16, 2020 · US
Filter media including oriented fibers
US-2020215471-A1 · Jul 9, 2020 · US
Nanofibrous filter
US-10682602-B2 · Jun 16, 2020 · US
Fluid sterilization system
US-2020121822-A1 · Apr 23, 2020 · US
Fine fiber media layer
US-2020122068-A1 · Apr 23, 2020 · US
Air filter material
US-10610814-B2 · Apr 7, 2020 · US
Fluid sterilization system
US-10549007-B2 · Feb 4, 2020 · US
Air permeable vent filter, and headlight assembly comprising same
US-10500534-B2 · Dec 10, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D46/546?
- CPC B01D46/546 is the Cooperative Patent Classification code for “using nano- or microfibres.”
- How many patents are filed under CPC B01D46/546 (using nano- or microfibres)?
- Our database includes 83 publications tagged with this CPC code.
- Is patent activity under CPC B01D46/546 growing?
- Publication counts under this code: 5 in 2024 vs 5 in 2025 (latest complete years).