Top combustion stove
US-11142804-B2 · Oct 12, 2021 · US
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with combustion shaft
with combustion shaft · 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 | C21B9/04 |
| Official title | with combustion shaft |
| Display label | with combustion shaft |
| Total patents | 5 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears stable based on the most recent years.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2018 | 2 |
| 2019 | 1 |
| 2021 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Combustion chamber wall and a method of manufacturing a combustion chamber wall
US-10260749-B2 · Apr 16, 2019 · 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
Combustion chamber wall and a method of manufacturing a combustion chamber wall
US-2015241062-A1 · Aug 27, 2015 · US