Filtration systems with selective pulse control
US-12521664-B2 · Jan 13, 2026 · US
This page is not indexed by search engines while we improve data quality.
involving sonic or ultrasonic waves
involving sonic or ultrasonic waves · 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 | B01D46/762 |
| Official title | involving sonic or ultrasonic waves |
| Display label | involving sonic or ultrasonic waves |
| Total patents | 14 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 1 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Filter cleaning unit, vacuum cleaner and method for cleaning a filter in a vacuum cleaner
US-2025082154-A1 · Mar 13, 2025 · US
Air filter device of industrial machine
US-11931680-B2 · Mar 19, 2024 · US
Filtering system, air conditioning system, data center, and cleaning method for filtering system
US-2023366572-A1 · Nov 16, 2023 · US
Filtration systems with selective pulse control
US-2023219029-A1 · Jul 13, 2023 · US
Air filter device of industrial machine
US-2020338491-A1 · Oct 29, 2020 · US
Separation of components from a fluid by solids production
US-10458704-B2 · Oct 29, 2019 · US
Dust removal device, dust collector, and dust collector cleaning method
US-10272379-B2 · Apr 30, 2019 · US
Separation of Components from a Fluid by Solids Production
US-2019063832-A1 · Feb 28, 2019 · US
Filter Device for an Extractor Device
US-2018280857-A1 · Oct 4, 2018 · US
Dust removal device, dust collector, and dust collector cleaning method
US-2018050295-A1 · Feb 22, 2018 · US
Air filter ultrasonic cleaning systems and the methods of using the same
US-9808840-B2 · Nov 7, 2017 · US
Air filter ultrasonic cleaning systems and the methods of using the same
US-2016107200-A1 · Apr 21, 2016 · US
Air-conditioner and controlling method thereof
US-9266049-B2 · Feb 23, 2016 · US