Decanter centrifuge with lamellae for improved fines recovery
US-2025196163-A1 · Jun 19, 2025 · US
discharging solid particles from the bowl by a conveying screw coaxial with the bowl axis and rotating relatively to the bowl · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B04B3/04 |
| Official title | discharging solid particles from the bowl by a conveying screw coaxial with the bowl axis and rotating relatively to the bowl |
| Display label | discharging solid particles from the bowl by a conveying screw coaxial with the bowl axis and rotating relatively to the bowl |
| Total patents | 16 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 4 |
| 2020 | 1 |
| 2022 | 1 |
| 2023 | 2 |
| 2025 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2025196163-A1 · Jun 19, 2025 · US
US-2023405607-A1 · Dec 21, 2023 · US
US-2023405609-A1 · Dec 21, 2023 · US
US-11273455-B2 · Mar 15, 2022 · US
US-10569305-B2 · Feb 25, 2020 · US
US-10357785-B2 · Jul 23, 2019 · US
US-10293348-B2 · May 21, 2019 · US
US-2019126293-A1 · May 2, 2019 · US
US-10252194-B2 · Apr 9, 2019 · US
US-2018169705-A1 · Jun 21, 2018 · US
US-9855565-B2 · Jan 2, 2018 · US
US-2017368559-A1 · Dec 28, 2017 · US
US-2017368558-A1 · Dec 28, 2017 · US
US-9751094-B2 · Sep 5, 2017 · US
US-2016325207-A1 · Nov 10, 2016 · US
US-2016310970-A1 · Oct 27, 2016 · US