Microplastic filter for washing machines or other appliances
US-12427453-B2 · Sep 30, 2025 · US
scrapers
scrapers · 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 | B01D33/466 |
| Official title | {scrapers} |
| Display label | scrapers |
| Total patents | 53 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 3 |
| 2017 | 3 |
| 2018 | 1 |
| 2019 | 5 |
| 2020 | 6 |
| 2021 | 5 |
| 2022 | 6 |
| 2023 | 4 |
| 2024 | 12 |
| 2025 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Tableware washing apparatus and filtering device thereof
US-12396614-B2 · Aug 26, 2025 · US
Water treatment method and water treatment apparatus
US-12371357-B2 · Jul 29, 2025 · US
A microparticle filter, a textile treatment apparatus, use thereof and a method of filtering microparticles
US-2025135379-A1 · May 1, 2025 · US
Device and method for separating substances of different flowability that are mixed together
US-12233618-B2 · Feb 25, 2025 · US
Process for filtering 2-acrylamido-2-methylpropane sulfonic acid
US-12145900-B2 · Nov 19, 2024 · US
Centrifugal filter unit for a washing machine having a removable portion shaped to scrape against a side wall during its removal
US-12138568-B2 · Nov 12, 2024 · US
Mechanical separation device
US-12134049-B2 · Nov 5, 2024 · US
Disc filter pre-screen dual media disc filter
US-12048890-B2 · Jul 30, 2024 · US
Non-entanglement physical shared ad-hoc randomness (NEPSAR)
US-12052340-B2 · Jul 30, 2024 · US
Liquid carrier filtration
US-12023611-B2 · Jul 2, 2024 · US
A filter unit for filtering microparticles and a filter cage for use in a filter unit
US-2024209560-A1 · Jun 27, 2024 · US
Microplastic filter for washing machines or other appliances
US-2024173655-A1 · May 30, 2024 · US
Solids separator for a composting system
US-11993549-B2 · May 28, 2024 · US
Rotary drum vacuum filter with a throttling valve
US-11980837-B2 · May 14, 2024 · US
Fine particle separating apparatus
US-11872509-B2 · Jan 16, 2024 · US
Non-Entanglement Physical Shared Ad-Hoc Randomness (NEPSAR)
US-2024015002-A1 · Jan 11, 2024 · US
Disc filter pre-screen dual media disc filter
US-2023338880-A1 · Oct 26, 2023 · US
Roller filtration apparatus
US-2023311030-A1 · Oct 5, 2023 · US
Quantum fluid operation: technology for effective mixing, reacting, and separating fluids
US-11745153-B2 · Sep 5, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D33/466?
- CPC B01D33/466 is the Cooperative Patent Classification code for “scrapers.”
- How many patents are filed under CPC B01D33/466 (scrapers)?
- Our database includes 53 publications tagged with this CPC code.
- Is patent activity under CPC B01D33/466 growing?
- Publication counts under this code: 12 in 2024 vs 5 in 2025 (latest complete years).