Apparatus and method for manufacturing a product
US-2025297807-A1 · Sep 25, 2025 · US
Rotary-drum cooler · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F27B7/386 |
| Official title | {Rotary-drum cooler} |
| Display label | Rotary-drum cooler |
| Total patents | 4 |
Year-over-year patent counts classified under this CPC code.
Filing activity appears to be growing based on the most recent years.
| Year | Patents |
|---|---|
| 2021 | 1 |
| 2024 | 1 |
| 2025 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2025297807-A1 · Sep 25, 2025 · US
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