Dual-Fuel Burner and Method of Operation
US-2025060098-A1 · Feb 20, 2025 · US
with different fuels in stages
with different fuels in stages · 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 | F23C2201/301 |
| Official title | with different fuels in stages |
| Display label | with different fuels in stages |
| Total patents | 40 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 4 |
| 2017 | 6 |
| 2018 | 6 |
| 2019 | 5 |
| 2020 | 2 |
| 2021 | 1 |
| 2022 | 6 |
| 2023 | 2 |
| 2024 | 4 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Heater with remote combustion air addition
US-2025027643-A1 · Jan 23, 2025 · US
Combined combustion burner and combustion apparatus including same
US-2024377061-A1 · Nov 14, 2024 · US
Reverse-jet swirl pulverized coal burner with multi-stage recirculations
US-12117168-B2 · Oct 15, 2024 · US
Active and passive combustion stabilization for burners for highly and rapidly varying fuel gas compositions
US-12072097-B2 · Aug 27, 2024 · US
Adjustable fuel injector for flame dynamics control
US-12044174-B2 · Jul 23, 2024 · US
Melting/refining furnace for cold iron sources, and melting/refining furnace operation method
US-2023349016-A1 · Nov 2, 2023 · US
Adjustable fuel injector for flame dynamics control
US-2023332544-A1 · Oct 19, 2023 · US
Active and passive combustion stabilization for burners for highly and rapidly varying fuel gas compositions
US-2022307689-A1 · Sep 29, 2022 · US
Cement kiln burner device and method for operating the same
US-11428402-B2 · Aug 30, 2022 · US
Solid fuel burner and combustion device
US-11346546-B2 · May 31, 2022 · US
Gas turbine combustor
US-11286858-B2 · Mar 29, 2022 · US
Process of using a submerged combustion melter to produce hollow glass fiber or solid glass fiber having entrained bubbles, and burners and systems to make such fibers
US-11233484-B2 · Jan 25, 2022 · US
Reverse-jet swirl pulverized coal burner with multi-stage recirculations
US-2022003408-A1 · Jan 6, 2022 · US
Cement kiln burner device and method for operating the same
US-2021404649-A1 · Dec 30, 2021 · US
Solid fuel burner and combustion device
US-2020072461-A1 · Mar 5, 2020 · US
Gas turbine combustor
US-2020025089-A1 · Jan 23, 2020 · US
Process of using a submerged combustion melter to produce hollow glass fiber or solid glass fiber having entrained bubbles, and burners and systems to make such fibers
US-2019263712-A1 · Aug 29, 2019 · US
Low-NOx-burner
US-10352555-B2 · Jul 16, 2019 · US
Acetylene Production By Staged Combustion With Accommodative Cross-Sectional Area
US-2019177623-A1 · Jun 13, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F23C2201/301?
- CPC F23C2201/301 is the Cooperative Patent Classification code for “with different fuels in stages.”
- How many patents are filed under CPC F23C2201/301 (with different fuels in stages)?
- Our database includes 40 publications tagged with this CPC code.
- Is patent activity under CPC F23C2201/301 growing?
- Publication counts under this code: 4 in 2024 vs 2 in 2025 (latest complete years).