Electronic configuration and control for acoustic standing wave generation
US-2021268406-A1 · Sep 2, 2021 · US
Mechanical auxiliary equipment for acceleration of sedimentation, e.g. by vibrators or the like
Mechanical auxiliary equipment for acceleration of sedimentation, e.g. by vibrators or the like · 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 | B01D21/28 |
| Official title | Mechanical auxiliary equipment for acceleration of sedimentation, e.g. by vibrators or the like |
| Display label | Mechanical auxiliary equipment for acceleration of sedimentation, e.g. by vibrators or the like |
| Total patents | 69 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 14 |
| 2016 | 9 |
| 2017 | 10 |
| 2018 | 11 |
| 2019 | 6 |
| 2020 | 7 |
| 2021 | 3 |
| 2022 | 4 |
| 2023 | 3 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electronic configuration and control for acoustic standing wave generation
US-11007457-B2 · May 18, 2021 · US
Smart solids control system
US-2021016297-A1 · Jan 21, 2021 · US
Acoustic transducer driver and controller
US-2020359136-A1 · Nov 12, 2020 · US
Acoustic transducer controller configuration
US-2020324225-A1 · Oct 15, 2020 · US
Acoustic transducer driver and controller
US-10785574-B2 · Sep 22, 2020 · US
Acoustophoretic separation technology using multi-dimensional standing waves
US-10724029-B2 · Jul 28, 2020 · US
Washing machine comprising a water purification system
US-2020208331-A1 · Jul 2, 2020 · US
Ultrasonic microbubble generation method, apparatus and system
US-2020070067-A1 · Mar 5, 2020 · US
Ultrasonic analyte concentration and application in flow cytometry
US-10537831-B2 · Jan 21, 2020 · US
System and method for blood separation by microfluidic acoustic focusing
US-2019388606-A1 · Dec 26, 2019 · US
Acoustic transducer driver and controller
US-2019191252-A1 · Jun 20, 2019 · US
Transducer and reflector configurations for an acoustophoretic device
US-10322949-B2 · Jun 18, 2019 · US
System for generating high concentration factors for low cell density suspensions
US-10308928-B2 · Jun 4, 2019 · US
Centrifugal microfluidic device
US-10265647-B2 · Apr 23, 2019 · US
Blood separation by microfluidic acoustic focusing
US-10166323-B2 · Jan 1, 2019 · US
High-volume fast separation of multi-phase components in fluid suspensions
US-10071383-B2 · Sep 11, 2018 · US
Electronic Configuration and Control for Acoustic Standing Wave Generation
US-2018236380-A1 · Aug 23, 2018 · US
Cell washing device using a wave
US-10036006-B2 · Jul 31, 2018 · US
Water and dirt separator
US-10022726-B2 · Jul 17, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D21/28?
- CPC B01D21/28 is the Cooperative Patent Classification code for “Mechanical auxiliary equipment for acceleration of sedimentation, e.g. by vibrators or the like.”
- How many patents are filed under CPC B01D21/28 (Mechanical auxiliary equipment for acceleration of sedimentation, e.g. by vibrators or the like)?
- Our database includes 69 publications tagged with this CPC code.
- Is patent activity under CPC B01D21/28 growing?
- Publication counts under this code: 3 in 2023 vs 2 in 2025 (latest complete years).