Electric machine gearbox and engine starter and power generator including gearbox
US-2022381214-A1 · Dec 1, 2022 · US
Arrangements of brakes (brakes per se F16D)
Arrangements of brakes (brakes per se F16D) · 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 | F01D21/006 |
| Official title | {Arrangements of brakes (brakes per se F16D)} |
| Display label | Arrangements of brakes (brakes per se F16D) |
| Total patents | 102 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 3 |
| 2017 | 14 |
| 2018 | 9 |
| 2019 | 12 |
| 2020 | 12 |
| 2021 | 5 |
| 2022 | 9 |
| 2023 | 12 |
| 2024 | 10 |
| 2025 | 10 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Geared gas turbine engine with gear driving low pressure compressor and fan at a common speed and a shear section to provide overspeed protection
US-11384657-B2 · Jul 12, 2022 · US
Hybrid electric aircraft engine
US-2022063825-A1 · Mar 3, 2022 · US
Method and system for mitigating bowed rotor operation of gas turbine engine
US-11187102-B2 · Nov 30, 2021 · US
Gas turbine engine
US-2021301678-A1 · Sep 30, 2021 · US
Fan blade refurbishment training device
US-11043146-B2 · Jun 22, 2021 · US
Geared turbofan with low pressure turbine features
US-2021087944-A1 · Mar 25, 2021 · US
Control of combustion engine shut down
US-10954875-B2 · Mar 23, 2021 · US
System for braking a low pressure spool in a gas turbine engine
US-10837312-B2 · Nov 17, 2020 · US
Method and System for Mitigating Bowed Rotor Operation of Gas Turbine Engine
US-2020347746-A1 · Nov 5, 2020 · US
Anti-windmilling system for a gas turbine engine
US-10815823-B2 · Oct 27, 2020 · US
Electromagnetic anti-windmilling system
US-10801413-B2 · Oct 13, 2020 · US
Device for limiting overspeeding of a turbine shaft of a turbomachine, and associated control method
US-10781714-B2 · Sep 22, 2020 · US
Geared turbine engine with gear driving low pressure compressor and fan at common speed, and failsafe overspeed protection and shear section
US-10738646-B2 · Aug 11, 2020 · US
Method and system for mitigating bowed rotor operation of gas turbine engine
US-10718231-B2 · Jul 21, 2020 · US
Gas turbine engine
US-2020200037-A1 · Jun 25, 2020 · US
Gas turbine engine with low pressure compressor stages
US-2020116041-A1 · Apr 16, 2020 · US
Fan blade refurbishment training device
US-2020058236-A1 · Feb 20, 2020 · US
Gas turbine and method for protecting a gas turbine in case of a shaft break
US-10557374-B2 · Feb 11, 2020 · US
Anti-windmilling system for a gas turbine engine
US-10526913-B2 · Jan 7, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F01D21/006?
- CPC F01D21/006 is the Cooperative Patent Classification code for “Arrangements of brakes (brakes per se F16D).”
- How many patents are filed under CPC F01D21/006 (Arrangements of brakes (brakes per se F16D))?
- Our database includes 102 publications tagged with this CPC code.
- Is patent activity under CPC F01D21/006 growing?
- Publication counts under this code: 10 in 2024 vs 10 in 2025 (latest complete years).