Method for reducing combustion temperature and thermal radiation within a lime kiln
US-12492818-B2 · Dec 9, 2025 · US
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the fuel being introduced directly into the rotary kiln
the fuel being introduced directly into the rotary kiln · 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 | C04B7/4438 |
| Official title | {the fuel being introduced directly into the rotary kiln} |
| Display label | the fuel being introduced directly into the rotary kiln |
| Total patents | 17 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 1 |
| 2017 | 6 |
| 2018 | 1 |
| 2019 | 2 |
| 2021 | 1 |
| 2023 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
A method for reducing combustion temperature and thermal radiation within a lime kiln
US-2023144517-A1 · May 11, 2023 · US
Organic sludge treatment device and treatment method
US-11591246-B2 · Feb 28, 2023 · US
Organic sludge treatment device and treatment method
US-2021009455-A1 · Jan 14, 2021 · US
Hydraulic-binder rotary-furnace operation
US-10480858-B2 · Nov 19, 2019 · US
Direct-fired inclined counterflow rotary kilns and use thereof
US-10280114-B2 · May 7, 2019 · US
Process and apparatus for improving the combustion of secondary fuel in a rotary kiln and process for retrofitting a rotary kiln with a burner assembly
US-10087104-B2 · Oct 2, 2018 · US
Perforated burner for a rotary kiln
US-9828288-B2 · Nov 28, 2017 · US
Lignocellulosic biomass fermentation process co-product fuel for cement kiln
US-2017305791-A1 · Oct 26, 2017 · US
Lignocellulosic biomass fermentation process co-product fuel for cement kiln
US-9725363-B2 · Aug 8, 2017 · US
Method for calcination of a carbon dioxide rich sorbent
US-9701544-B2 · Jul 11, 2017 · US
Method for calcination of a carbon dioxide rich sorbent
US-2017113944-A1 · Apr 27, 2017 · US
Calciner for calcination of a carbon dioxide rich sorbent
US-9573848-B2 · Feb 21, 2017 · US
Perforated burner for a rotary kiln
US-2016046524-A1 · Feb 18, 2016 · US
Calciner and a method for calcination of a carbon dioxide rich sorbent
US-2015368157-A1 · Dec 24, 2015 · US
Method and installation for producing cement clinker
US-9067827-B2 · Jun 30, 2015 · US
Lignocellulosic biomass fermentation process co-product fuel for cement kiln
US-2015101511-A1 · Apr 16, 2015 · US