Uniform spray-coating, cumulatively-stacking and squeezing solid-liquid separation system
US-2025205619-A1 · Jun 26, 2025 · US
with filtering bands or the like supported on cylinders which are impervious for filtering
with filtering bands or the like supported on cylinders which are impervious for filtering · 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 | B01D33/04 |
| Official title | with filtering bands or the like supported on cylinders which are impervious for filtering |
| Display label | with filtering bands or the like supported on cylinders which are impervious for filtering |
| Total patents | 32 |
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 | 3 |
| 2017 | 2 |
| 2018 | 8 |
| 2019 | 3 |
| 2020 | 3 |
| 2021 | 5 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for fractionation of highly refined cellulose
US-2024141588-A1 · May 2, 2024 · US
Filtration process and assembly
US-11786840-B2 · Oct 17, 2023 · US
Optimization of rotary filters relative to risk of clogging a facility for pumping water from a natural site
US-11752456-B2 · Sep 12, 2023 · US
Method and an apparatus for washing a crude lignin, a soluble carbohydrate containing fraction, a solid fraction and their use
US-2022259246-A1 · Aug 18, 2022 · US
Method and an apparatus for washing a crude lignin, a soluble carbohydrate containing fraction, a solid fraction and their use
US-11267837-B2 · Mar 8, 2022 · US
Dewatering apparatus, systems, and methods
US-11084747-B2 · Aug 10, 2021 · US
Device for treating an effluent and method for treating an effluent
US-11007460-B2 · May 18, 2021 · US
Detachable wear strip for use in the vacuum belt filter device
US-11000790-B2 · May 11, 2021 · US
Dewatering apparatus, systems, and methods
US-2021087094-A1 · Mar 25, 2021 · US
Filtration device and filtration method
US-2021060459-A1 · Mar 4, 2021 · US
Filtration process and assembly
US-2020398186-A1 · Dec 24, 2020 · 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
Systems and methods for processing earthen slurries
US-10683178-B2 · Jun 16, 2020 · US
Transfer systems for receiving and conveying material
US-10486920-B2 · Nov 26, 2019 · US
Device for treating an effluent and method for treating an effluent
US-2019232204-A1 · Aug 1, 2019 · US
Method for constructing a vacuum belt filter device and vacuum belt filter device
US-10279286-B2 · May 7, 2019 · US
Vibratory separator screen adapter
US-10065213-B2 · Sep 4, 2018 · US
A method and an apparatus for washing a crude lignin, a soluble carbohydrate containing fraction, a solid fraction and their use
US-2018148467-A1 · May 31, 2018 · US
Detachable wear strip for use in the vacuum belt filter device
US-2018111068-A1 · Apr 26, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D33/04?
- CPC B01D33/04 is the Cooperative Patent Classification code for “with filtering bands or the like supported on cylinders which are impervious for filtering.”
- How many patents are filed under CPC B01D33/04 (with filtering bands or the like supported on cylinders which are impervious for filtering)?
- Our database includes 32 publications tagged with this CPC code.
- Is patent activity under CPC B01D33/04 growing?
- Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).