Powder fuel burner
US-2025290628-A1 · Sep 18, 2025 · US
Burners for combustion simultaneously or alternately of gaseous or liquid or pulverulent fuel
Burners for combustion simultaneously or alternately of gaseous or liquid or 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 | F23D17/00 |
| Official title | Burners for combustion simultaneously or alternately of gaseous or liquid or pulverulent fuel |
| Display label | Burners for combustion simultaneously or alternately of gaseous or liquid or pulverulent fuel |
| Total patents | 52 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 10 |
| 2017 | 8 |
| 2018 | 6 |
| 2019 | 6 |
| 2020 | 3 |
| 2021 | 3 |
| 2022 | 1 |
| 2023 | 2 |
| 2024 | 5 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Powder fuel burner
US-2025271135-A1 · Aug 28, 2025 · US
Combined combustion burner and combustion apparatus including same
US-2024377061-A1 · Nov 14, 2024 · US
Active and passive combustion stabilization for burners for highly and rapidly varying fuel gas compositions
US-12072097-B2 · Aug 27, 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 arrangement for synthesis gas production
US-2024024835-A1 · Jan 25, 2024 · US
Combustion device and boiler
US-2023296244-A1 · Sep 21, 2023 · US
Combustion device and boiler
US-2023288061-A1 · Sep 14, 2023 · US
Active and passive combustion stabilization for burners for highly and rapidly varying fuel gas compositions
US-2022307689-A1 · Sep 29, 2022 · US
Auxiliary burner for electric furnace
US-11041621-B2 · Jun 22, 2021 · US
System and method for generating flame effect
US-11029023-B2 · Jun 8, 2021 · US
Auxiliary burner for electric furnace
US-10935234-B2 · Mar 2, 2021 · US
Burner for a kiln
US-10871287-B2 · Dec 22, 2020 · US
Burner, combustor, and gas turbine
US-10837641-B2 · Nov 17, 2020 · US
Swirl burner with fuel injection upstream and downstream of the swirler
US-10741855-B2 · Aug 11, 2020 · US
Flexible fuel combustion system for turbine engines
US-10443855-B2 · Oct 15, 2019 · US
Auxiliary burner for electric furnace
US-2019271465-A1 · Sep 5, 2019 · US
Auxiliary burner for electric furnace
US-2019264914-A1 · Aug 29, 2019 · US
Method for purging fuel channel, purging device for executing said method, and gas turbine installation provided with said device
US-10378448-B2 · Aug 13, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F23D17/00?
- CPC F23D17/00 is the Cooperative Patent Classification code for “Burners for combustion simultaneously or alternately of gaseous or liquid or pulverulent fuel.”
- How many patents are filed under CPC F23D17/00 (Burners for combustion simultaneously or alternately of gaseous or liquid or pulverulent fuel)?
- Our database includes 52 publications tagged with this CPC code.
- Is patent activity under CPC F23D17/00 growing?
- Publication counts under this code: 5 in 2024 vs 2 in 2025 (latest complete years).