Cooling architecture using cryogenic fuels
US-12428166-B2 · Sep 30, 2025 · US
Inducing air flow by fluid jet, e.g. ejector action
Inducing air flow by fluid jet, e.g. ejector action · 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 | F02C3/32 |
| Official title | Inducing air flow by fluid jet, e.g. ejector action |
| Display label | Inducing air flow by fluid jet, e.g. ejector action |
| Total patents | 63 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 12 |
| 2017 | 3 |
| 2018 | 6 |
| 2019 | 7 |
| 2020 | 5 |
| 2021 | 5 |
| 2022 | 8 |
| 2023 | 4 |
| 2024 | 4 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Cooling architecture for liquid hydrogen superconducting system
US-2024400220-A1 · Dec 5, 2024 · US
Ejector nozzle and ejector including same
US-12155097-B2 · Nov 26, 2024 · US
Cooling architecture using cryogenic fuels
US-2024208661-A1 · Jun 27, 2024 · US
Ejector nozzle and ejector including same
US-2024055623-A1 · Feb 15, 2024 · US
Variable jet pump
US-11828223-B2 · Nov 28, 2023 · US
Ejector nozzle and ejector including same
US-11824235-B2 · Nov 21, 2023 · US
Turbine exhaust drain system
US-11624298-B2 · Apr 11, 2023 · US
APU eductor plenum flow stability splitter
US-11614032-B2 · Mar 28, 2023 · US
Variable jet pump
US-2022381181-A1 · Dec 1, 2022 · US
Apparatus and method for evacuating very large volumes
US-11460034-B2 · Oct 4, 2022 · US
Fluid eductors, and systems and methods of entraining fluid using fluid eductors
US-11454463-B2 · Sep 27, 2022 · US
Apu eductor plenum flow stability splitter
US-2022213836-A1 · Jul 7, 2022 · US
Tempering system for gas turbine selective catalyst reduction system
US-11371403-B2 · Jun 28, 2022 · US
Gas turbine
US-11353214-B2 · Jun 7, 2022 · US
Turbine exhaust drain system
US-2022136410-A1 · May 5, 2022 · US
Diversion of fan air to provide cooling air for gas turbine engine
US-11286856-B2 · Mar 29, 2022 · US
Method for reducing fuel nozzle coking in a gas turbine engine
US-11199325-B2 · Dec 14, 2021 · US
Bleed ejector
US-11092074-B2 · Aug 17, 2021 · US
Ejector nozzle and ejector including same
US-2021184232-A1 · Jun 17, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02C3/32?
- CPC F02C3/32 is the Cooperative Patent Classification code for “Inducing air flow by fluid jet, e.g. ejector action.”
- How many patents are filed under CPC F02C3/32 (Inducing air flow by fluid jet, e.g. ejector action)?
- Our database includes 63 publications tagged with this CPC code.
- Is patent activity under CPC F02C3/32 growing?
- Publication counts under this code: 4 in 2024 vs 4 in 2025 (latest complete years).