Method for separating the components of a mixture of fibers and granules by electrostatic neutralization and screening, and corresponding unit
US-12544788-B2 · Feb 10, 2026 · US
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using revolving drums
using revolving drums · 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 | B07B4/06 |
| Official title | using revolving drums |
| Display label | using revolving drums |
| Total patents | 4 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears to be growing based on the most recent years.
| Year | Patents |
|---|---|
| 2023 | 1 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Feather separation system and feather separation method, and method for producing recycled feathers
US-12303943-B2 · May 20, 2025 · US
Method for separating the components of a mixture of fibers and granules by electrostatic neutralization and screening, and corresponding unit
US-2025010336-A1 · Jan 9, 2025 · US
Feather separation system and feather separation method, and method for producing recycled feathers
US-2023347383-A1 · Nov 2, 2023 · US