Refining device
US-12533679-B2 · Jan 27, 2026 · US
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of the plural stage type
of the plural stage type · 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 | B02C2018/147 |
| Official title | {of the plural stage type} |
| Display label | of the plural stage type |
| Total patents | 18 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 2 |
| 2020 | 5 |
| 2021 | 2 |
| 2023 | 1 |
| 2024 | 3 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Refining device
US-12508601-B2 · Dec 30, 2025 · US
Cutting blade assembly
US-12429056-B2 · Sep 30, 2025 · US
Comminuting machine for comminuting a product while feeding a fluid
US-2025196155-A1 · Jun 19, 2025 · US
Refining device
US-2024024886-A1 · Jan 25, 2024 · US
Refining device
US-2024024885-A1 · Jan 25, 2024 · US
Coarse crushing device and fiber treatment apparatus
US-11878307-B2 · Jan 23, 2024 · US
Cutting blade assembly
US-11655821-B2 · May 23, 2023 · US
Chipper shredder
US-11185014-B2 · Nov 30, 2021 · US
Coarse crushing device and fiber treatment apparatus
US-2021154679-A1 · May 27, 2021 · US
Cutting Blade Assembly
US-2020291944-A1 · Sep 17, 2020 · US
Chipper shredder
US-2020214223-A1 · Jul 9, 2020 · US
Chipper shredder
US-2020214224-A1 · Jul 9, 2020 · US
Cutting blade assembly
US-10670020-B2 · Jun 2, 2020 · US
Chipper shredder
US-10631466-B2 · Apr 28, 2020 · US
Chipper shredder
US-2017258014-A1 · Sep 14, 2017 · US
Cutting Blade Assembly
US-2017036214-A1 · Feb 9, 2017 · US
Cutting blade assembly
US-9475059-B2 · Oct 25, 2016 · US