Filter monitoring using differential acoustic attenuation
US-12517093-B2 · Jan 6, 2026 · US
Making use of acoustic waves, e.g. for measurements · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B01D2273/24 |
| Official title | Making use of acoustic waves, e.g. for measurements |
| Display label | Making use of acoustic waves, e.g. for measurements |
| Total patents | 7 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2020 | 2 |
| 2021 | 1 |
| 2022 | 1 |
| 2026 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12517093-B2 · Jan 6, 2026 · US
US-2022334085-A1 · Oct 20, 2022 · US
US-2021116423-A1 · Apr 22, 2021 · US
US-10765974-B2 · Sep 8, 2020 · US
US-2020238202-A1 · Jul 30, 2020 · US
US-2016151733-A1 · Jun 2, 2016 · US
US-9072996-B2 · Jul 7, 2015 · US