Air cleaner
US-11571648-B2 · Feb 7, 2023 · US
with filtering elements moving during filtering operation (B01D46/22, B01D46/32 take precedence) · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B01D46/0052 |
| Official title | {with filtering elements moving during filtering operation (B01D46/22, B01D46/32 take precedence)} |
| Display label | with filtering elements moving during filtering operation (B01D46/22, B01D46/32 take precedence) |
| Total patents | 10 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 2 |
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-11571648-B2 · Feb 7, 2023 · US
US-11376632-B2 · Jul 5, 2022 · US
US-11298638-B2 · Apr 12, 2022 · US
US-2021205742-A1 · Jul 8, 2021 · US
US-2021121918-A1 · Apr 29, 2021 · US
US-10830461-B2 · Nov 10, 2020 · US
US-2020016524-A1 · Jan 16, 2020 · US
US-10253754-B2 · Apr 9, 2019 · US
US-2019032932-A1 · Jan 31, 2019 · US
US-2018340513-A1 · Nov 29, 2018 · US