Control method for a system having reduced nitrogen oxide emissions and for use in a carbon negative emission method
US-12305121-B2 · May 20, 2025 · US
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lump and gaseous fuel
lump and gaseous fuel · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F23C1/04 |
| Official title | lump and gaseous fuel |
| Display label | lump and gaseous fuel |
| Total patents | 12 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 3 |
| 2019 | 1 |
| 2021 | 1 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Control method of nitrogen oxide ultra-low emission and carbon negative emission system
US-2024228885-A1 · Jul 11, 2024 · US
System of ultra-low nitrogen oxide emissions, negative carbon emissions and control method thereof
US-11976242-B2 · May 7, 2024 · US
System and method for hydrogen production using a control unit controlling an adjustment device
US-11802344-B2 · Oct 31, 2023 · US
Pyrolysis/Gasification System For use in a Method of Carbon Sequestration
US-2023174867-A1 · Jun 8, 2023 · US
Hydrogen production system
US-2022349068-A1 · Nov 3, 2022 · US
Hydrogen production system
US-11421329-B2 · Aug 23, 2022 · US
Hydrogen production system
US-2021262100-A1 · Aug 26, 2021 · US
Fuel injection device for gas turbine
US-10443853-B2 · Oct 15, 2019 · US
Dual phase fuel feeder for boilers
US-9482428-B2 · Nov 1, 2016 · US
Fuel injection device for gas turbine
US-2016169523-A1 · Jun 16, 2016 · US
Multiple fuel combustion system and method
US-9267680-B2 · Feb 23, 2016 · US