Tail cone apparatus and methods for reducing nozzle surface temperatures
US-2019323453-A1 · Oct 24, 2019 · US
by axially moving or transversely deforming an internal member, e.g. the exhaust cone
by axially moving or transversely deforming an internal member, e.g. the exhaust cone · 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 | F02K1/08 |
| Official title | by axially moving or transversely deforming an internal member, e.g. the exhaust cone |
| Display label | by axially moving or transversely deforming an internal member, e.g. the exhaust cone |
| Total patents | 142 |
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 | 13 |
| 2016 | 17 |
| 2017 | 10 |
| 2018 | 10 |
| 2019 | 12 |
| 2020 | 10 |
| 2021 | 21 |
| 2022 | 21 |
| 2023 | 7 |
| 2024 | 12 |
| 2025 | 7 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Convergent-divergent nozzle
US-10436148-B2 · Oct 8, 2019 · US
Auxiliary device for three air flow path gas turbine engine
US-10400709-B2 · Sep 3, 2019 · US
Variable nozzle apparatus
US-10393065-B2 · Aug 27, 2019 · US
Liner for a gas turbine engine
US-10371173-B2 · Aug 6, 2019 · US
Nozzle arrangement for a gas turbine engine
US-10371094-B2 · Aug 6, 2019 · US
Variable fan nozzle using shape memory material
US-10371001-B2 · Aug 6, 2019 · US
Variable nozzle apparatus
US-2019136795-A1 · May 9, 2019 · US
Moveable exhaust plug
US-2019085789-A1 · Mar 21, 2019 · US
Gas turbine engine system for modulating flow of fan by-pass air and core engine air
US-10233867-B2 · Mar 19, 2019 · US
Moveable exhaust plug
US-2018355821-A1 · Dec 13, 2018 · US
Exhaust nozzle control for a gas turbine engine
US-2018291837-A1 · Oct 11, 2018 · US
Stepped fairing modulated exhaust cooling
US-10087884-B2 · Oct 2, 2018 · US
Aircraft gas turbine having a variable outlet nozzle of a bypass flow channel
US-2018266361-A1 · Sep 20, 2018 · US
Convergent-divergent nozzle for a turbofan engine of a supersonic aircraft and method for adjusting the nozzle throat surface in a nozzle of a turbofan engine
US-2018245539-A1 · Aug 30, 2018 · US
Variable area fan nozzle
US-10041442-B2 · Aug 7, 2018 · US
Exhaust nozzle and method for changing exhaust flow path
US-9976515-B2 · May 22, 2018 · US
Exhaust nozzle control for a gas turbine engine
US-9964069-B2 · May 8, 2018 · US
Gas turbine engine with axial flow fan with twin stream impeller and variable area bypass nozzle
US-9926883-B1 · Mar 27, 2018 · US
Expandable exhaust cone
US-2018045142-A1 · Feb 15, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02K1/08?
- CPC F02K1/08 is the Cooperative Patent Classification code for “by axially moving or transversely deforming an internal member, e.g. the exhaust cone.”
- How many patents are filed under CPC F02K1/08 (by axially moving or transversely deforming an internal member, e.g. the exhaust cone)?
- Our database includes 142 publications tagged with this CPC code.
- Is patent activity under CPC F02K1/08 growing?
- Publication counts under this code: 12 in 2024 vs 7 in 2025 (latest complete years).