Burner, system, and method for hydrogen-enhanced pulverized coal ignition
US-12565990-B2 · Mar 3, 2026 · US
gaseous and pulverulent fuel
gaseous and pulverulent 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 | F23C1/12 |
| Official title | gaseous and pulverulent fuel |
| Display label | gaseous and pulverulent fuel |
| Total patents | 28 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2019 | 3 |
| 2021 | 5 |
| 2022 | 4 |
| 2023 | 6 |
| 2024 | 5 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Combustion device and boiler
US-12331926-B2 · Jun 17, 2025 · US
Burner and combustion furnace
US-2025052420-A1 · Feb 13, 2025 · US
Burner and combustion furnace
US-2025052419-A1 · Feb 13, 2025 · US
Combined combustion burner and combustion apparatus including same
US-2024377061-A1 · Nov 14, 2024 · US
System for self-sustaining combustion of iron particles and method thereof
US-2024344692-A1 · Oct 17, 2024 · US
Combustion device and boiler
US-2024230085-A9 · Jul 11, 2024 · US
Combustion device and boiler
US-2024133550-A1 · Apr 25, 2024 · US
Burner, System, and Method for Hydrogen-Enhanced Pulverized Coal Ignition
US-2024019118-A1 · Jan 18, 2024 · US
Melting/refining furnace for cold iron sources, and melting/refining furnace operation method
US-2023349016-A1 · Nov 2, 2023 · US
System and method for hydrogen production using a control unit controlling an adjustment device
US-11802344-B2 · Oct 31, 2023 · US
Combustion device and boiler
US-2023296244-A1 · Sep 21, 2023 · US
Combustion device and boiler
US-2023288061-A1 · Sep 14, 2023 · US
Combustion device and boiler
US-2023288062-A1 · Sep 14, 2023 · US
Burner and combustion device
US-11649962-B2 · May 16, 2023 · US
Hydrogen production system
US-2022349068-A1 · Nov 3, 2022 · US
Hydrogen production system
US-11421329-B2 · Aug 23, 2022 · US
Petroleum residuum burning boiler and combustion method thereof
US-2022146090-A1 · May 12, 2022 · US
Auxiliary burner for electric furnace
US-11293694-B2 · Apr 5, 2022 · US
Burner and combustion device
US-2021364163-A1 · Nov 25, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F23C1/12?
- CPC F23C1/12 is the Cooperative Patent Classification code for “gaseous and pulverulent fuel.”
- How many patents are filed under CPC F23C1/12 (gaseous and pulverulent fuel)?
- Our database includes 28 publications tagged with this CPC code.
- Is patent activity under CPC F23C1/12 growing?
- Publication counts under this code: 5 in 2024 vs 3 in 2025 (latest complete years).