Cooling for surface ignitors in torch ignition devices
US-11674446-B2 · Jun 13, 2023 · US
Preheating devices; Vaporising devices
Preheating devices; Vaporising devices · 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 | F23D11/44 |
| Official title | Preheating devices; Vaporising devices |
| Display label | Preheating devices; Vaporising devices |
| Total patents | 27 |
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 | 2 |
| 2016 | 6 |
| 2017 | 3 |
| 2018 | 4 |
| 2019 | 5 |
| 2020 | 3 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Cooling for surface ignitors in torch ignition devices
US-2023061595-A1 · Mar 2, 2023 · US
Method of optimizing the limitation of dust emissions for gas turbines fueled with heavy fuel oil
US-11230977-B2 · Jan 25, 2022 · US
Gas-assisted liquid fuel oxygen reactor
US-10995948-B2 · May 4, 2021 · US
Miniature liquid combustor having double pre-heating structure, and combustion method thereof
US-10865982-B2 · Dec 15, 2020 · US
Cooling device for a burner of a gasification reactor
US-10767858-B2 · Sep 8, 2020 · US
Combustion systems
US-10578021-B2 · Mar 3, 2020 · US
Heater device for heating liquefied gas
US-10520185-B2 · Dec 31, 2019 · US
Method for forming consistently-sized and controllably-timed droplets
US-10443838-B2 · Oct 15, 2019 · US
Gas-Assisted Liquid Fuel Oxygen Reactor
US-2019170348-A1 · Jun 6, 2019 · US
Miniature liquid combustor having double pre-heating structure, and combustion method thereof
US-2019113227-A1 · Apr 18, 2019 · US
Gas-assisted liguid fuel oxygen reactor
US-10215402-B2 · Feb 26, 2019 · US
Method for Forming Consistently-Sized and Controllably-Timed Droplets
US-2018290154-A1 · Oct 11, 2018 · US
Cooling device for a burner of a gasification reactor
US-2018292088-A1 · Oct 11, 2018 · US
Staged fuel and air injection in combustion systems of gas turbines
US-9989260-B2 · Jun 5, 2018 · US
Gas turbine engine fuel cooled cooling air heat exchanger
US-9932940-B2 · Apr 3, 2018 · US
Swirler
US-9851098-B2 · Dec 26, 2017 · US
Gas-Assisted Liquid Fuel Oxygen Reactor
US-2017284661-A1 · Oct 5, 2017 · US
Film evaporator burner arrangement
US-2017211813-A1 · Jul 27, 2017 · US
Combustion systems
US-2016376997-A1 · Dec 29, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F23D11/44?
- CPC F23D11/44 is the Cooperative Patent Classification code for “Preheating devices; Vaporising devices.”
- How many patents are filed under CPC F23D11/44 (Preheating devices; Vaporising devices)?
- Our database includes 27 publications tagged with this CPC code.
- Is patent activity under CPC F23D11/44 growing?
- Publication counts under this code: 1 in 2022 vs 2 in 2023 (latest complete years).