Air purifier
US-2023381702-A1 · Nov 30, 2023 · US
arranged on non-filtering conveyors {or supports}
arranged on non-filtering conveyors {or supports} · 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 | B01D46/16 |
| Official title | arranged on non-filtering conveyors {or supports} |
| Display label | arranged on non-filtering conveyors {or supports} |
| Total patents | 93 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 2 |
| 2017 | 7 |
| 2018 | 4 |
| 2019 | 4 |
| 2020 | 5 |
| 2021 | 16 |
| 2022 | 8 |
| 2023 | 13 |
| 2024 | 17 |
| 2025 | 12 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Portable air cleaner for kitchen
US-11826686-B2 · Nov 28, 2023 · US
Conformable pleated air filter with bridging filaments
US-2023372854-A1 · Nov 23, 2023 · US
Ventilation assembly and air conditioning apparatus
US-11786854-B2 · Oct 17, 2023 · US
Air cleaner with user interface
US-11772027-B2 · Oct 3, 2023 · US
Washing machine with drying function
US-2023279607-A1 · Sep 7, 2023 · US
Air cleaner with cutter
US-11654389-B2 · May 23, 2023 · US
Filter-based air sampler capable of integration into small unmanned aerial vehicles
US-11619570-B1 · Apr 4, 2023 · US
Filter
US-2023053689-A1 · Feb 23, 2023 · US
Air filter element with pre-cleaning tubes
US-11565208-B2 · Jan 31, 2023 · US
Gas filtering device
US-2023019062-A1 · Jan 19, 2023 · US
Air filter element with pre-cleaning tubes
US-2022401865-A1 · Dec 22, 2022 · US
Air cleaner assemblies and methods of use
US-11517840-B2 · Dec 6, 2022 · US
Portable air flow apparatus
US-2022282874-A1 · Sep 8, 2022 · US
Air filter and indoor unit of air-conditioning apparatus
US-2022258088-A1 · Aug 18, 2022 · US
Compact powered air purifying respirator with auto-change filter and built-in end of service life indicator
US-11406850-B2 · Aug 9, 2022 · US
Ventilation assembly and air conditioning apparatus
US-2022233985-A1 · Jul 28, 2022 · US
Wall-mounted air purifier
US-2022176287-A1 · Jun 9, 2022 · US
Filter assembly and drying appartus having the same
US-2022061606-A1 · Mar 3, 2022 · US
Cyclone assembly for surface cleaning apparatus and a surface cleaning apparatus having same
US-11185201-B2 · Nov 30, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D46/16?
- CPC B01D46/16 is the Cooperative Patent Classification code for “arranged on non-filtering conveyors {or supports}.”
- How many patents are filed under CPC B01D46/16 (arranged on non-filtering conveyors {or supports})?
- Our database includes 93 publications tagged with this CPC code.
- Is patent activity under CPC B01D46/16 growing?
- Publication counts under this code: 17 in 2024 vs 12 in 2025 (latest complete years).