Filter unit, textile treatment apparatus and method
US-2023398474-A1 · Dec 14, 2023 · US
arranged for inward flow filtration
arranged for inward flow filtration · 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 | B01D33/073 |
| Official title | arranged for inward flow filtration |
| Display label | arranged for inward flow filtration |
| Total patents | 77 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 11 |
| 2017 | 9 |
| 2018 | 3 |
| 2019 | 8 |
| 2020 | 10 |
| 2021 | 5 |
| 2022 | 4 |
| 2023 | 9 |
| 2024 | 6 |
| 2025 | 5 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
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
Dishwasher filter assembly
US-2023200618-A1 · Jun 29, 2023 · US
Device and method for separating substances of different flowability that are mixed together
US-2022234320-A1 · Jul 28, 2022 · US
Novel process for filtering 2-acrylamido-2-methylpropane sulfonic acid
US-2022227704-A1 · Jul 21, 2022 · US
Sludge treatment device and sludge treatment system
US-2022111477-A1 · Apr 14, 2022 · US
Screen production method
US-11273466-B2 · Mar 15, 2022 · US
Rotary drum filter deck assembly comprising a clip
US-2021268410-A1 · Sep 2, 2021 · US
Vacuum filter
US-2021252436-A1 · Aug 19, 2021 · US
Disc filter pre-screen dual media disc filter
US-2021129059-A1 · May 6, 2021 · US
Dishwasher filter assembly
US-2021045616-A1 · Feb 18, 2021 · US
Disc filter pre-screen dual media disc filter
US-10888807-B2 · Jan 12, 2021 · US
Optimization of rotary filters relative to risk of clogging a facility for pumping water from a natural site
US-2020368651-A1 · Nov 26, 2020 · US
Dishwasher filter assembly
US-10835100-B2 · Nov 17, 2020 · US
Screen production method
US-2020298278-A1 · Sep 24, 2020 · US
Self-cleaning and monitoring filtration system
US-10773215-B2 · Sep 15, 2020 · US
Replaceable filter plate assembly for a rotary drum filter
US-2020246733-A1 · Aug 6, 2020 · US
System for monitoring the state of a screen basket
US-10713454-B2 · Jul 14, 2020 · US
Cylindrical filtration filter
US-10702809-B2 · Jul 7, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D33/073?
- CPC B01D33/073 is the Cooperative Patent Classification code for “arranged for inward flow filtration.”
- How many patents are filed under CPC B01D33/073 (arranged for inward flow filtration)?
- Our database includes 77 publications tagged with this CPC code.
- Is patent activity under CPC B01D33/073 growing?
- Publication counts under this code: 6 in 2024 vs 5 in 2025 (latest complete years).