Method for converting a blast furnace plant
US-2023008316-A1 · Jan 12, 2023 · US
Stoves for heating the blast in blast furnaces · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C21B9/00 |
| Official title | Stoves for heating the blast in blast furnaces |
| Display label | Stoves for heating the blast in blast furnaces |
| 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 |
|---|---|
| 2015 | 2 |
| 2018 | 2 |
| 2023 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2023008316-A1 · Jan 12, 2023 · US
US-9896735-B2 · Feb 20, 2018 · US
US-9863013-B2 · Jan 9, 2018 · US
US-9151492-B2 · Oct 6, 2015 · US
US-9044704-B2 · Jun 2, 2015 · US