Aircraft dual-flow turbine engine assembly, the assembly being equipped with incidence-controlled air discharge fins
US-12480452-B2 · Nov 25, 2025 · US
Reversing at least one flow in relation to at least one other flow in a plural- flow engine
Reversing at least one flow in relation to at least one other flow in a plural- flow engine · 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 | F02K1/74 |
| Official title | Reversing at least one flow in relation to at least one other flow in a plural- flow engine |
| Display label | Reversing at least one flow in relation to at least one other flow in a plural- flow engine |
| Total patents | 25 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 3 |
| 2019 | 1 |
| 2021 | 3 |
| 2022 | 5 |
| 2023 | 4 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Aircraft dual-flow turbine engine assembly, the assembly being equipped with incidence-controlled air discharge fins
US-2023407797-A1 · Dec 21, 2023 · US
Hidden drag link for thrust reverser assembly
US-11692509-B2 · Jul 4, 2023 · US
Track beam with composite lug
US-11674540-B2 · Jun 13, 2023 · US
Hidden drag link for thrust reverser assembly
US-2023012009-A1 · Jan 12, 2023 · US
Turbofan engine comprising a set of rotatable blades for blocking off the bypass flow duct
US-11486335-B2 · Nov 1, 2022 · US
Pressure equalization in a dual flow path exhaust of a hypersonic propulsion system
US-11339744-B1 · May 24, 2022 · US
Dual flowpath exhaust for fuel cooling in a hypersonic propulsion system
US-11339745-B1 · May 24, 2022 · US
Turbofan engine comprising a set of rotatable blades for blocking off the bypass flow duct
US-2022136459-A1 · May 5, 2022 · US
Gas turbine engine with reversible heat exchanger
US-11286881-B2 · Mar 29, 2022 · US
Aircraft propulsion assembly comprising a thrust reverser
US-11136937-B2 · Oct 5, 2021 · US
Gas turbine engine with reversible heat exchanger
US-2021115877-A1 · Apr 22, 2021 · US
Track beam with composite lug
US-2021088001-A1 · Mar 25, 2021 · US
Track beam with composite lug
US-10352273-B2 · Jul 16, 2019 · US
Aircraft propulsion assembly comprising a thrust reverser
US-2018209378-A1 · Jul 26, 2018 · US
Track beam with composite lug
US-2018128205-A1 · May 10, 2018 · US
Dielectric elastomer device to fill steps or gaps in a thrust reverser
US-9920709-B2 · Mar 20, 2018 · US
Gas turbine engine
US-2017369179-A1 · Dec 28, 2017 · US
Core cowl thrust reverser system and apparatus
US-9650992-B2 · May 16, 2017 · US
Rotary hydraulic motor driven hybrid thrust reverser actuation system with end-of-stroke snubbing
US-9650993-B2 · May 16, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02K1/74?
- CPC F02K1/74 is the Cooperative Patent Classification code for “Reversing at least one flow in relation to at least one other flow in a plural- flow engine.”
- How many patents are filed under CPC F02K1/74 (Reversing at least one flow in relation to at least one other flow in a plural- flow engine)?
- Our database includes 25 publications tagged with this CPC code.
- Is patent activity under CPC F02K1/74 growing?
- Publication counts under this code: 4 in 2023 vs 1 in 2025 (latest complete years).