Concentration device and concentration method
US-12553019-B2 · Feb 17, 2026 · US
by flushing, e.g. counter-current air-bumps
by flushing, e.g. counter-current air-bumps · 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 | B01D33/48 |
| Official title | by flushing, e.g. counter-current air-bumps |
| Display label | by flushing, e.g. counter-current air-bumps |
| Total patents | 36 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 5 |
| 2017 | 3 |
| 2018 | 5 |
| 2019 | 2 |
| 2020 | 6 |
| 2021 | 1 |
| 2022 | 4 |
| 2024 | 2 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Microplastic filter for washing machines or other appliances
US-12427453-B2 · Sep 30, 2025 · US
Fluid cleaning apparatus
US-12359881-B2 · Jul 15, 2025 · US
Washing machine and control method for washing machine
US-2025034787-A1 · Jan 30, 2025 · US
Microplastic filter for washing machines or other appliances
US-2024173655-A1 · May 30, 2024 · US
Closed loop recycling system and dip tank for antimicrobial compounds
US-11903391-B2 · Feb 20, 2024 · US
Manifold with movable connectology
US-11511219-B2 · Nov 29, 2022 · US
Closed loop recycling system and dip tank for antimicrobial compounds
US-2022304319-A1 · Sep 29, 2022 · US
Closed loop recycling system and dip tank for antimicrobial compounds
US-11432559-B2 · Sep 6, 2022 · US
Concentration device and concentration method
US-2022162536-A1 · May 26, 2022 · US
Fluid cleaning apparatus
US-2021254909-A1 · Aug 19, 2021 · US
Manifold with movable connectology
US-2020376422-A1 · Dec 3, 2020 · US
Filtration apparatus
US-2020376437-A1 · Dec 3, 2020 · US
Self cleaning pool cleaner
US-10843106-B2 · Nov 24, 2020 · US
Filtration apparatus
US-10773213-B2 · Sep 15, 2020 · US
Self-cleaning and monitoring filtration system
US-10773215-B2 · Sep 15, 2020 · US
Self-cleaning and monitoring filtration system
US-2020197873-A1 · Jun 25, 2020 · US
System and method for using a pressure differential for separation
US-10350520-B2 · Jul 16, 2019 · US
Flat-face valve for pulp rotary drum vacuum washer filter
US-10328368-B2 · Jun 25, 2019 · US
Device for Filtering Fiber Suspensions
US-2018369724-A1 · Dec 27, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D33/48?
- CPC B01D33/48 is the Cooperative Patent Classification code for “by flushing, e.g. counter-current air-bumps.”
- How many patents are filed under CPC B01D33/48 (by flushing, e.g. counter-current air-bumps)?
- Our database includes 36 publications tagged with this CPC code.
- Is patent activity under CPC B01D33/48 growing?
- Publication counts under this code: 2 in 2024 vs 3 in 2025 (latest complete years).