Fuselage for an aircraft with fuselage-integrated tailplane
US-11772809-B2 · Oct 3, 2023 · US
of two series of flaps, the upstream series having its flaps hinged at their upstream ends on a fixed structure and the downstream series having its flaps hinged at their upstream ends on the downstream ends of the flaps of the upstream series
of two series of flaps, the upstream series having its flaps hinged at their upstream ends on a fixed structure and the downstream series having its flaps hinged at their upstream ends on the downstream ends of the flaps of the upstream series · 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 | F02K1/1223 |
| Official title | {of two series of flaps, the upstream series having its flaps hinged at their upstream ends on a fixed structure and the downstream series having its flaps hinged at their upstream ends on the downstream ends of the flaps of the upstream series} |
| Display label | of two series of flaps, the upstream series having its flaps hinged at their upstream ends on a fixed structure and the downstream series having its flaps hinged at their upstream ends on the downstream ends of the flaps of the upstream series |
| Total patents | 83 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 9 |
| 2017 | 7 |
| 2018 | 12 |
| 2019 | 2 |
| 2020 | 3 |
| 2021 | 5 |
| 2022 | 8 |
| 2023 | 14 |
| 2024 | 7 |
| 2025 | 8 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Variable area nozzle assembly
US-11767806-B1 · Sep 26, 2023 · US
Convergent-divergent flap pair for a variable-geometry turbojet engine nozzle, the flaps of which each comprise a cooling air circulation duct
US-11739712-B2 · Aug 29, 2023 · US
Convergent-divergent flap pair for a variable-geometry turbojet engine nozzle comprising cooling air circulation ducts connected through contact surfaces
US-11713730-B2 · Aug 1, 2023 · US
Variable area nozzle and method for operating same
US-2023175457-A1 · Jun 8, 2023 · US
Mixed flow exhaust thrust reverser with area control nozzle systems and methods
US-2023160355-A1 · May 25, 2023 · US
Flexurally actuated self-sealing plunger apparatus
US-2022412464-A1 · Dec 29, 2022 · US
Seal for gimbaling and/or fixed rocket engine nozzles, and associated systems and methods
US-2022364527-A1 · Nov 17, 2022 · US
Exhaust nozzle
US-11473526-B2 · Oct 18, 2022 · US
Convergent-divergent flap pair for a variable-geometry turbojet engine nozzle comprising cooling air circulation ducts connected through contact surfaces
US-2022290631-A1 · Sep 15, 2022 · US
Convergent-divergent flap pair for a variable-geometry turbojet engine nozzle, the flaps of which each comprise a cooling air circulation duct
US-2022275771-A1 · Sep 1, 2022 · US
Seal for gimbaling and/or fixed rocket engine nozzles, and associated systems and methods
US-11391243-B1 · Jul 19, 2022 · US
Exhaust nozzle
US-11319896-B2 · May 3, 2022 · US
Exhaust nozzle
US-11306680-B2 · Apr 19, 2022 · US
Asymmetric load compensation system
US-11098677-B2 · Aug 24, 2021 · US
Exhaust nozzle
US-2021222647-A1 · Jul 22, 2021 · US
Gas turbine engine convergent/divergent exhaust nozzle divergent seal with preloaded dovetail interface background
US-11022072-B2 · Jun 1, 2021 · US
Exhaust nozzle
US-2021131379-A1 · May 6, 2021 · US
Exhaust nozzle
US-2021131378-A1 · May 6, 2021 · US
Convergent-divergent nozzle mechanism
US-10815932-B2 · Oct 27, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02K1/1223?
- CPC F02K1/1223 is the Cooperative Patent Classification code for “of two series of flaps, the upstream series having its flaps hinged at their upstream ends on a fixed structure and the downstream series having its flaps hinged at their upstream ends on the downstream ends of the flaps of the upstream series.”
- How many patents are filed under CPC F02K1/1223 (of two series of flaps, the upstream series having its flaps hinged at their upstream ends on a fixed structure and the downstream series having its flaps hinged at their upstream ends on the downstream ends of the flaps of the upstream series)?
- Our database includes 83 publications tagged with this CPC code.
- Is patent activity under CPC F02K1/1223 growing?
- Publication counts under this code: 7 in 2024 vs 8 in 2025 (latest complete years).