Support assembly in a heat storage device
US-12578144-B2 · Mar 17, 2026 · US
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Brick hot-blast stoves
Brick hot-blast stoves · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C21B9/02 |
| Official title | Brick hot-blast stoves |
| Display label | Brick hot-blast stoves |
| Total patents | 7 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2018 | 2 |
| 2021 | 1 |
| 2023 | 1 |
| 2024 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electric stove
US-2024410616-A1 · Dec 12, 2024 · US
Support assembly in a heat storage device
US-2023384035-A1 · Nov 30, 2023 · US
Top combustion stove
US-11142804-B2 · Oct 12, 2021 · US
Top combustion stove
US-2018340237-A1 · Nov 29, 2018 · US
Apparatus and method for heating a blast furnace stove
US-9863013-B2 · Jan 9, 2018 · US
Top-firing hot blast stove
US-9518306-B2 · Dec 13, 2016 · US