Control method and system for small pulverized coal silo feeding
US-12359806-B2 · Jul 15, 2025 · US
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Feeding devices for steam boilers, e.g. in locomotives
Feeding devices for steam boilers, e.g. in locomotives · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F23K2203/002 |
| Official title | Feeding devices for steam boilers, e.g. in locomotives |
| Display label | Feeding devices for steam boilers, e.g. in locomotives |
| Total patents | 3 |
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 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.