Method and apparatuses for screening
US-12138661-B2 · Nov 12, 2024 · US
Construction of the filtering drums, e.g. mounting or sealing arrangements
Construction of the filtering drums, e.g. mounting or sealing arrangements · 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 | B01D33/067 |
| Official title | Construction of the filtering drums, e.g. mounting or sealing arrangements |
| Display label | Construction of the filtering drums, e.g. mounting or sealing arrangements |
| Total patents | 67 |
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 | 2 |
| 2016 | 6 |
| 2017 | 3 |
| 2018 | 7 |
| 2019 | 12 |
| 2020 | 5 |
| 2021 | 7 |
| 2022 | 12 |
| 2023 | 5 |
| 2024 | 6 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Rotary filter system, a rotary filter device and a separation system
US-2023405530-A1 · Dec 21, 2023 · US
Drum washer with gravity assist drainage
US-2023302384-A1 · Sep 28, 2023 · US
Method and apparatuses for screening
US-11707766-B2 · Jul 25, 2023 · US
Filtering panel and method of making the same
US-11660552-B2 · May 30, 2023 · US
Replaceable filter plate assembly for a rotary drum filter
US-11633681-B2 · Apr 25, 2023 · US
Torque reaction arrangement for pulp washers
US-2022356644-A1 · Nov 10, 2022 · US
Screening apparatus for removing solid material from flowing liquid and associated screening panel
US-2022331722-A1 · Oct 20, 2022 · US
Liner for a filter sub-assembly
US-11465079-B2 · Oct 11, 2022 · US
Rotary vessel with a spigot having a non-circular outer circumferential cross-section forming an axial movement limiting engagement with a housing closure member
US-11318402-B2 · May 3, 2022 · US
Apparatus and Method for Shrinking Synthetic Filter Fabric
US-2022118677-A1 · Apr 21, 2022 · US
Method and apparatuses for screening
US-2022088639-A1 · Mar 24, 2022 · US
Method and apparatuses for screening
US-2022088638-A1 · Mar 24, 2022 · US
Screen production method
US-11273466-B2 · Mar 15, 2022 · US
Rotary vessel with a spigot having axially projecting fingers
US-11247151-B2 · Feb 15, 2022 · US
Method and apparatuses for screening
US-11247236-B2 · Feb 15, 2022 · US
Method and apparatuses for screening
US-11213856-B2 · Jan 4, 2022 · US
Method and apparatus for screening
US-11213857-B2 · Jan 4, 2022 · US
Liner for a filter sub-assembly
US-11202978-B2 · Dec 21, 2021 · US
Rotary drum filter deck assembly comprising a clip
US-2021268410-A1 · Sep 2, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D33/067?
- CPC B01D33/067 is the Cooperative Patent Classification code for “Construction of the filtering drums, e.g. mounting or sealing arrangements.”
- How many patents are filed under CPC B01D33/067 (Construction of the filtering drums, e.g. mounting or sealing arrangements)?
- Our database includes 67 publications tagged with this CPC code.
- Is patent activity under CPC B01D33/067 growing?
- Publication counts under this code: 6 in 2024 vs 1 in 2025 (latest complete years).