Co-firing combustor with gas fuel and liquid ammonia
US-2026063298-A1 · Mar 5, 2026 · US
with provision for varying the rate at which the fuel is sprayed
with provision for varying the rate at which the fuel is sprayed · 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 | F23D11/26 |
| Official title | with provision for varying the rate at which the fuel is sprayed |
| Display label | with provision for varying the rate at which the fuel is sprayed |
| Total patents | 26 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 5 |
| 2017 | 1 |
| 2018 | 3 |
| 2019 | 2 |
| 2020 | 3 |
| 2021 | 3 |
| 2022 | 1 |
| 2024 | 3 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Multiphase fuel injector
US-12331933-B2 · Jun 17, 2025 · US
Proportional control of cooling circuit of fuel nozzle
US-2024271571-A1 · Aug 15, 2024 · US
Multiphase fuel injector
US-2024085025-A1 · Mar 14, 2024 · US
Control method for a catalytic combustion apparatus and a catalytic combustion system
US-11898750-B2 · Feb 13, 2024 · US
Self-pumping fuel injector for a gas turbine engine and method of operation
US-11466857-B2 · Oct 11, 2022 · US
Fuel nozzle, and combustor and gas turbine having the same
US-11181271-B2 · Nov 23, 2021 · US
Control method for a catalytic combustion apparatus and a catalytic combustion system
US-2021262662-A1 · Aug 26, 2021 · US
Electronic fuel control for gas turbine engines
US-11053862-B2 · Jul 6, 2021 · US
Fuel nozzle, and combustor and gas turbine having the same
US-2020124286-A1 · Apr 23, 2020 · US
Variable fluid flow apparatus with integrated filter
US-10598139-B2 · Mar 24, 2020 · US
Self-pumping fuel injector for a gas turbine engine and method of operation
US-2020003422-A1 · Jan 2, 2020 · US
Self-pumping fuel injector for a gas turbine engine and method of operation
US-10443851-B2 · Oct 15, 2019 · US
Electronic fuel control for gas turbine engines
US-2019093569-A1 · Mar 28, 2019 · US
Combustion chamber of a gas turbine, gas turbine and method for operating the same
US-2018209654-A1 · Jul 26, 2018 · US
Variable Fluid Flow Apparatus with Integrated Filter
US-2018135576-A1 · May 17, 2018 · US
Variable fluid flow apparatus with integrated filter
US-9856836-B2 · Jan 2, 2018 · US
Variable-area fuel injector with improved circumferential spray uniformity
US-9683739-B2 · Jun 20, 2017 · US
Variable Fluid Flow Apparatus with Integrated Filter
US-2016377039-A1 · Dec 29, 2016 · US
Swirler for a burner of a gas turbine engine
US-2016348914-A1 · Dec 1, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F23D11/26?
- CPC F23D11/26 is the Cooperative Patent Classification code for “with provision for varying the rate at which the fuel is sprayed.”
- How many patents are filed under CPC F23D11/26 (with provision for varying the rate at which the fuel is sprayed)?
- Our database includes 26 publications tagged with this CPC code.
- Is patent activity under CPC F23D11/26 growing?
- Publication counts under this code: 3 in 2024 vs 1 in 2025 (latest complete years).