Auxiliary drive bowed rotor prevention system for a gas turbine engine through an engine accessory
US-10508567-B2 · Dec 17, 2019 · US
using electric motors
using electric motors · 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 | F01D25/36 |
| Official title | using electric motors |
| Display label | using electric motors |
| Total patents | 159 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 8 |
| 2017 | 19 |
| 2018 | 22 |
| 2019 | 22 |
| 2020 | 24 |
| 2021 | 9 |
| 2022 | 15 |
| 2023 | 7 |
| 2024 | 14 |
| 2025 | 14 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electric propulsion motor cooling system and method
US-2019292993-A1 · Sep 26, 2019 · US
Aircraft engine and associated method for driving the fan with the low pressure shaft during taxi operations
US-10336461-B2 · Jul 2, 2019 · US
Structure and Method to Mitigate Rotor Bow in Turbine Engine
US-2019186289-A1 · Jun 20, 2019 · US
Turbine engine for reducing rotor bow and method thereof
US-2019178108-A1 · Jun 13, 2019 · US
Apparatus to enable rotation of a compressor
US-10260369-B2 · Apr 16, 2019 · US
Piezo-electric motor for bowed rotor mitigation
US-10208629-B2 · Feb 19, 2019 · US
Propulsion system for an aircraft
US-2018372003-A1 · Dec 27, 2018 · US
Turning device
US-2018363511-A1 · Dec 20, 2018 · US
Low-power bowed rotor prevention system
US-2018355764-A1 · Dec 13, 2018 · US
Bowed rotor motoring control
US-2018340475-A1 · Nov 29, 2018 · US
Bowed rotor prevention system using waste heat
US-10125636-B2 · Nov 13, 2018 · US
Turning device for a turbomachine
US-2018320557-A1 · Nov 8, 2018 · US
Auxiliary rotation device for a gas turbine engine and a method of cooling a rotor of a gas turbine engine using an auxiliary rotation device
US-2018306065-A1 · Oct 25, 2018 · US
Drive assembly for a gas turbine engine
US-2018283218-A1 · Oct 4, 2018 · US
Piezo-electric motor for bowed rotor mitigation
US-2018283219-A1 · Oct 4, 2018 · US
Output assembly for an accessory gearbox of a gas turbine engine
US-2018283464-A1 · Oct 4, 2018 · US
Engine shaft integrated motor
US-2018283220-A1 · Oct 4, 2018 · US
Bowed rotor prevention system
US-2018274390-A1 · Sep 27, 2018 · US
Turning apparatus
US-10082044-B2 · Sep 25, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F01D25/36?
- CPC F01D25/36 is the Cooperative Patent Classification code for “using electric motors.”
- How many patents are filed under CPC F01D25/36 (using electric motors)?
- Our database includes 159 publications tagged with this CPC code.
- Is patent activity under CPC F01D25/36 growing?
- Publication counts under this code: 14 in 2024 vs 14 in 2025 (latest complete years).