Rotary kiln and method for burning carbonate-containing material, in particular limestone or dolomite
US-12379160-B2 · Aug 5, 2025 · US
forming a helical lifting projection · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F27B2007/165 |
| Official title | {forming a helical lifting projection} |
| Display label | forming a helical lifting projection |
| Total patents | 5 |
Year-over-year patent counts classified under this CPC code.
Filing activity appears to be declining based on the most recent years.
| Year | Patents |
|---|---|
| 2024 | 3 |
| 2025 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12379160-B2 · Aug 5, 2025 · US
US-12253309-B2 · Mar 18, 2025 · US
US-2024369301-A1 · Nov 7, 2024 · US
US-2024077257-A1 · Mar 7, 2024 · US
US-2024068747-A1 · Feb 29, 2024 · US