Method of producing molten iron
US-2025003684-A1 · Jan 2, 2025 · US
Charging in a vertical chamber adjacent to the melting chamber · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F27B3/186 |
| Official title | {Charging in a vertical chamber adjacent to the melting chamber} |
| Display label | Charging in a vertical chamber adjacent to the melting chamber |
| Total patents | 13 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 2 |
| 2020 | 3 |
| 2022 | 1 |
| 2024 | 1 |
| 2025 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2025003684-A1 · Jan 2, 2025 · US
US-11898797-B2 · Feb 13, 2024 · US
US-11473841-B2 · Oct 18, 2022 · US
US-10801083-B2 · Oct 13, 2020 · US
US-2020080780-A1 · Mar 12, 2020 · US
US-2020064071-A1 · Feb 27, 2020 · US
US-9945002-B2 · Apr 17, 2018 · US
US-9932649-B2 · Apr 3, 2018 · US
US-9599400-B2 · Mar 21, 2017 · US
US-2016076114-A1 · Mar 17, 2016 · US
US-2015344983-A1 · Dec 3, 2015 · US
US-2015153106-A1 · Jun 4, 2015 · US
US-8925711-B2 · Jan 6, 2015 · US