A microparticle filter, a textile treatment apparatus, use thereof and a method of filtering microparticles
US-2025135379-A1 · May 1, 2025 · US
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for drying
for drying · 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 | B01D33/62 |
| Official title | for drying |
| Display label | for drying |
| Total patents | 17 |
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 | 1 |
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 3 |
| 2021 | 2 |
| 2022 | 2 |
| 2024 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process for filtering 2-acrylamido-2-methylpropane sulfonic acid
US-12145900-B2 · Nov 19, 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
Novel process for filtering 2-acrylamido-2-methylpropane sulfonic acid
US-2022227704-A1 · Jul 21, 2022 · US
Vibration unit assembly for a belt conveyor
US-11215397-B2 · Jan 4, 2022 · US
Drilling fluid reclaimer
US-11185803-B2 · Nov 30, 2021 · US
Drilling fluid reclaimer
US-11173432-B2 · Nov 16, 2021 · US
Drilling Fluid Reclaimer
US-2020179841-A1 · Jun 11, 2020 · US
Vibration Unit Assembly for a Belt Conveyor
US-2020166274-A1 · May 28, 2020 · US
Using pressurized wet gas lines to avoid fouling in purified terephthalic acid (PTA) filters and lines
US-10577301-B2 · Mar 3, 2020 · US
Drilling Fluid Reclaimer
US-2019344203-A1 · Nov 14, 2019 · US
Drilling fluid reclaimer
US-10399017-B2 · Sep 3, 2019 · US
Using pressurized wet gas lines to avoid fouling in purified terephthalic acid (pta) filters and lines
US-2018312460-A1 · Nov 1, 2018 · US
Drilling Fluid Reclaimer
US-2017252681-A1 · Sep 7, 2017 · US
Drilling fluid reclaimer
US-9662599-B2 · May 30, 2017 · US
Solid-liquid separation with a no-dry rotary pressure filter
US-9486722-B2 · Nov 8, 2016 · US
Solid-Liquid Separation With a No-Dry Rotary Pressure Filter
US-2015182890-A1 · Jul 2, 2015 · US