Hydro-cyclone system
US-12521735-B2 · Jan 13, 2026 · US
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using liquids
using liquids · 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 | B04C5/23 |
| Official title | using liquids |
| Display label | using liquids |
| Total patents | 14 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 2 |
| 2017 | 1 |
| 2019 | 3 |
| 2020 | 2 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Reject chamber of a centrifugal cleaner and a centrifugal cleaner
US-12233427-B2 · Feb 25, 2025 · US
Detection device and detection method using cyclone type collector
US-12123819-B2 · Oct 22, 2024 · US
Hydro-cyclone system
US-2023037357-A1 · Feb 9, 2023 · US
A reject chamber of a centrifugal cleaner and a centrifugal cleaner
US-2022126307-A1 · Apr 28, 2022 · US
Method and device for treating a mixture of expansion gas and filling product foam in a beverage filling plant
US-10864529-B2 · Dec 15, 2020 · US
Detection device and detection method
US-2020348219-A1 · Nov 5, 2020 · US
Fluid treatment system, a fluid processing apparatus and method of treating a mixture
US-10478833-B2 · Nov 19, 2019 · US
Method and device for treating a mixture of expansion gas and filling product foam in a beverage filling plant
US-10478832-B2 · Nov 19, 2019 · US
Method and device for treating a mixture of expansion gas and filling product foam in a beverage filling plant
US-2019143344-A1 · May 16, 2019 · US
Method and device for treating a mixture of expansion gas and filling product foam in a beverage filling plant
US-2017367378-A1 · Dec 28, 2017 · US
A fluid treatment system, a fluid processing apparatus and method of treating a mixture
US-2016361728-A1 · Dec 15, 2016 · US
A fluid treatment system, a fluid processing apparatus and a method of treating a mixture
US-2016318043-A1 · Nov 3, 2016 · US
Suction cleaner
US-9155437-B2 · Oct 13, 2015 · US