Aircraft comprising at least one fluid supply circuit equipped with at least one shutter with automatic closure
US-2024367810-A1 · Nov 7, 2024 · US
Mechanical Engineering
Mechanical Engineering · 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 | F02C9/46 |
| Official title | — |
| Display label | Mechanical Engineering (mapped technology topic) |
| Total patents | 280 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 14 |
| 2016 | 19 |
| 2017 | 26 |
| 2018 | 24 |
| 2019 | 30 |
| 2020 | 28 |
| 2021 | 27 |
| 2022 | 31 |
| 2023 | 26 |
| 2024 | 23 |
| 2025 | 24 |
| 2026 | 8 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Windmill bypass with shutoff signal
US-2017363008-A1 · Dec 21, 2017 · US
Control system for a gas turbine engine
US-2017356302-A1 · Dec 14, 2017 · US
System and method to enhance lean blowout monitoring
US-2017356349-A1 · Dec 14, 2017 · US
Method and a device for managing a loss of power on a three-engined power plant
US-9821916-B2 · Nov 21, 2017 · US
Method and apparatus for controlling gas turbine combustor
US-9810159-B2 · Nov 7, 2017 · US
Fuel systems for turbomachines
US-2017306790-A1 · Oct 26, 2017 · US
Compressor Bleed Valve Health Assessment Systems and Methods
US-2017298836-A1 · Oct 19, 2017 · US
Combustion staging system
US-2017298839-A1 · Oct 19, 2017 · US
Combustion staging system
US-2017298840-A1 · Oct 19, 2017 · US
Turbomachine comprising a monitoring system comprising a module for engaging a protection function of the turbomachine and monitoring method
US-9790807-B2 · Oct 17, 2017 · US
Aircraft turbine engine comprising a discharge device
US-2017284306-A1 · Oct 5, 2017 · US
Engine fuel control system
US-9771906-B2 · Sep 26, 2017 · US
Emergency shutoff device and emergency shutoff system provided with same
US-2017268432-A1 · Sep 21, 2017 · US
Overspeed Protection System and Method
US-2017254295-A1 · Sep 7, 2017 · US
Method for controlling a bistable shutoff valve for an aircraft engine
US-2017218791-A1 · Aug 3, 2017 · US
Fuel flow control
US-2017211486-A1 · Jul 27, 2017 · US
Overspeed protection device of an aircraft engine
US-2017211413-A1 · Jul 27, 2017 · US
Fuel control system
US-2017167390-A1 · Jun 15, 2017 · US
Fuel supply system for use in a gas turbine engine and method of controlling an overspeed event therein
US-2017138271-A1 · May 18, 2017 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02C9/46?
- CPC F02C9/46 is the Cooperative Patent Classification code for “Mechanical Engineering.”
- How many patents are filed under CPC F02C9/46 (Mechanical Engineering)?
- Our database includes 280 publications tagged with this CPC code.
- Is patent activity under CPC F02C9/46 growing?
- Publication counts under this code: 23 in 2024 vs 24 in 2025 (latest complete years).