Apparatus and a method of measuring the thrust of a geared gas turbine engine
US-11175195-B2 · Nov 16, 2021 · US
with power transmission control
with power transmission control · 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 | F02C9/56 |
| Official title | with power transmission control |
| Display label | with power transmission control |
| Total patents | 151 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 10 |
| 2017 | 11 |
| 2018 | 5 |
| 2019 | 8 |
| 2020 | 15 |
| 2021 | 16 |
| 2022 | 30 |
| 2023 | 16 |
| 2024 | 24 |
| 2025 | 15 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fuel, communications, and power connection methods
US-2021348476-A1 · Nov 11, 2021 · US
Fuel, communications, and power connection systems and related methods
US-2021348477-A1 · Nov 11, 2021 · US
Gas turbine engine system with electrical power extraction
US-11139716-B2 · Oct 5, 2021 · US
Systems and methods for power transfer in cryogenic fuel applications
US-2021207537-A1 · Jul 8, 2021 · US
Systems and methods for power turbine governing
US-10961922-B2 · Mar 30, 2021 · US
Fuel, communications, and power connection systems and related methods
US-2021079758-A1 · Mar 18, 2021 · US
Fuel, communications, and power connection systems and related methods
US-2021079851-A1 · Mar 18, 2021 · US
Power Management Systems for Multi Engine Rotorcraft
US-2021061451-A1 · Mar 4, 2021 · US
Reducing low flight mach number fuel consumption
US-2021033031-A1 · Feb 4, 2021 · US
Preventing surge
US-2020392909-A1 · Dec 17, 2020 · US
Acceleration of a gas turbine
US-2020392910-A1 · Dec 17, 2020 · US
Generating electrical power at high thrust conditions
US-2020392903-A1 · Dec 17, 2020 · US
Deceleration of a gas turbine
US-2020392906-A1 · Dec 17, 2020 · US
Power source, adjusting power instructing apparatus, method, and recording medium for changing adjusting power
US-10746043-B2 · Aug 18, 2020 · US
Regulation system for controlling the vibratory behavior and/or the twisting stability of a drivetrain, a rotorcraft fitted with such a regulation system, and an associated regulation method
US-10730613-B2 · Aug 4, 2020 · US
Gas turbine load/unload path control
US-2020232645-A1 · Jul 23, 2020 · US
Combined cycle plant, control device thereof, and steam turbine startup method
US-2020132032-A1 · Apr 30, 2020 · US
Electrical controller for engine-driven electric machine
US-2020131995-A1 · Apr 30, 2020 · US
Hydraulic braking and power extraction for rotational machines
US-2020099322-A1 · Mar 26, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02C9/56?
- CPC F02C9/56 is the Cooperative Patent Classification code for “with power transmission control.”
- How many patents are filed under CPC F02C9/56 (with power transmission control)?
- Our database includes 151 publications tagged with this CPC code.
- Is patent activity under CPC F02C9/56 growing?
- Publication counts under this code: 24 in 2024 vs 15 in 2025 (latest complete years).