Pre-swirl pressure atomizing tip
US-11149950-B2 · Oct 19, 2021 · US
by pressurisation of the fuel before a nozzle through which it is sprayed by a substantial pressure reduction into a space
by pressurisation of the fuel before a nozzle through which it is sprayed by a substantial pressure reduction into a space · 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 | F23D11/24 |
| Official title | by pressurisation of the fuel before a nozzle through which it is sprayed by a substantial pressure reduction into a space |
| Display label | by pressurisation of the fuel before a nozzle through which it is sprayed by a substantial pressure reduction into a space |
| Total patents | 86 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 12 |
| 2017 | 15 |
| 2018 | 8 |
| 2019 | 5 |
| 2020 | 9 |
| 2021 | 6 |
| 2022 | 5 |
| 2023 | 8 |
| 2024 | 5 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Pilot fuel injector, and fuel nozzle and gas turbine having same
US-10995958-B2 · May 4, 2021 · US
Oil boiler
US-2020348048-A1 · Nov 5, 2020 · US
Oil boiler
US-2020348047-A1 · Nov 5, 2020 · US
Gas turbine engine combustor main mixer with vane supported centerbody
US-10801728-B2 · Oct 13, 2020 · US
Mixing nozzles
US-2020309376-A1 · Oct 1, 2020 · US
Mixing nozzles
US-2020306703-A1 · Oct 1, 2020 · US
Fuel nozzle with sleeves for thermal protection
US-2020248904-A1 · Aug 6, 2020 · US
Electrostatic flame control technology
US-10563626-B2 · Feb 18, 2020 · US
Fuel nozzle with increased spray angle range
US-10563587-B2 · Feb 18, 2020 · US
Electrostatic flame control technology
US-2020003165-A1 · Jan 2, 2020 · US
Pre-swirl pressure atomizing tip
US-2019376690-A1 · Dec 12, 2019 · US
Burner arrangement having a peripheral staging concept
US-2019368725-A1 · Dec 5, 2019 · US
Pilot fuel injector, and fuel nozzle and gas turbine having same
US-2019277502-A1 · Sep 12, 2019 · US
Multiphase burner
US-10288283-B2 · May 14, 2019 · US
Combustion burner for boiler
US-10197270-B2 · Feb 5, 2019 · US
Passive purge injectors
US-2018238548-A1 · Aug 23, 2018 · US
Hybrid air blast fuel nozzle
US-2018187892-A1 · Jul 5, 2018 · US
Main mixer for a gas turbine engine combustor
US-2018156463-A1 · Jun 7, 2018 · US
Mobile heating unit operated by means of liquid fuel
US-9970653-B2 · May 15, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F23D11/24?
- CPC F23D11/24 is the Cooperative Patent Classification code for “by pressurisation of the fuel before a nozzle through which it is sprayed by a substantial pressure reduction into a space.”
- How many patents are filed under CPC F23D11/24 (by pressurisation of the fuel before a nozzle through which it is sprayed by a substantial pressure reduction into a space)?
- Our database includes 86 publications tagged with this CPC code.
- Is patent activity under CPC F23D11/24 growing?
- Publication counts under this code: 5 in 2024 vs 4 in 2025 (latest complete years).