F05D 2220/766
Via a direct connection, i.e. a gearless transmission
Official title: via a direct connection, i.e. a gearless transmission
F05D2220/766 (Via a direct connection, i.e. a gearless transmission) appears on 54 US grants and 67 published applications in this corpus.
Search patents in F05D- Granted patents
- 54
- Published applications
- 67
- Assignees
- 38
- Inventors
- 135
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 2 |
| 2008 | 1 | 2 |
| 2009 | 2 | 4 |
| 2010 | 1 | 4 |
| 2011 | 4 | 1 |
| 2012 | 2 | 1 |
| 2013 | 4 | 1 |
| 2014 | 2 | 4 |
| 2015 | 1 | 2 |
| 2016 | 0 | 4 |
| 2017 | 0 | 2 |
| 2018 | 2 | 4 |
| 2019 | 5 | 2 |
| 2020 | 5 | 5 |
| 2021 | 4 | 4 |
| 2022 | 6 | 10 |
| 2023 | 4 | 5 |
| 2024 | 7 | 2 |
| 2025 | 2 | 5 |
| 2026 | 1 | 0 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Gas turbine engine with electric machine in engine core6 Oct 2026US 12,753,721 B2Pratt & Whitney Canada Corp.
- Electromagnetic inducer for gas turbine rotating turbomachinery21 Oct 2025US 12,448,893 B1Pratt & Whitney Canada Corp.
- Bearing current mitigation for an electric machine embedded in a gas turbine engine12 Aug 2025US 12,384,553 B2General Electric Company
- Turbomachine comprising a rear integrated electrical machine26 Nov 2024US 12,152,538 B2Safran Aircraft Engines
- Hybrid propulsion systems19 Nov 2024US 12,145,734 B2Hamilton Sundstrand Corporation
- Gas turbine-driven shared-rotor electric generator25 Dec 2025US 2025/0389202 A1The Board of Regents for the Oklahoma Agricultural and Mechanical Colleges
- Bearing current mitigation for an electric machine embedded in a gas turbine engine20 Nov 2025US 2025/0353604 A1General Electric Company
- Fuel system with fuel cooled electric generation and fuel oil cooler elimination25 Sep 2025US 2025/0297574 A1Hamilton Sundstrand Corporation
- Windmill brake for an auxiliary power unit15 May 2025US 2025/0158502 A1Hamilton Sundstrand Corporation
- Axial brushless motor generator24 Apr 2025US 2025/0132637 A1
Most cited
By later US patents
- Embedded electric machine53US 10,487,839 B2General Electric Company · 2019
- Turbojet having an electricity generator arranged in its fan39US 7,952,244 B2Snecma · 2011
- Gearless/oilless gas turbine engine31US 6,881,027 B2Honeywell International Inc. · 2005
- Integrated boost cavity ring generator for turbofan and turboshaft engines25US 8,198,744 B2General Electric Company · 2012
- Integrated fluid power conversion system24US 7,385,303 B22008