F05D 2260/404
Through magnetic drive coupling
Official title: through magnetic drive coupling
F05D2260/404 (Through magnetic drive coupling) appears on 37 US grants and 48 published applications in this corpus.
Search patents in F05D- Granted patents
- 37
- Published applications
- 48
- Assignees
- 37
- Inventors
- 115
- Latest grant
- 23 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 2 |
| 2005 | 0 | 0 |
| 2006 | 1 | 2 |
| 2007 | 0 | 2 |
| 2008 | 2 | 2 |
| 2009 | 0 | 0 |
| 2010 | 3 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 3 | 2 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 4 |
| 2018 | 0 | 5 |
| 2019 | 4 | 4 |
| 2020 | 4 | 6 |
| 2021 | 4 | 1 |
| 2022 | 4 | 3 |
| 2023 | 4 | 4 |
| 2024 | 3 | 4 |
| 2025 | 2 | 1 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Axial flux motor driven pump systems for pressurizing fluid in closed loop systems23 Sep 2025US 12,421,968 B2General Electric Company
- Integrated hybrid propulsion system1 Apr 2025US 12,264,587 B2Lockheed Martin Corporation
- Direct drive electrically-geared turbofan26 Nov 2024US 12,152,539 B2The Boeing Company
- Direct drive electrically-geared turbofan21 May 2024US 11,988,154 B2The Boeing Company
- Radially coupled pump systems for pressurizing fluid in closed loop systems6 Feb 2024US 11,891,998 B2General Electric Company
- Turbine engine comprising an immobilizing magnetic coupling device16 Jul 2026US 2026/0201814 A1Safran Helicopter Engines
- Turbomachine comprising an electric machine provided with a fixed winding, an excitation winding and a rotary winding which are arranged radially2 Jul 2026US 2026/0185457 A1Safran Aircraft Engines
- Pump with bushing and dampener5 Mar 2026US 2026/0063147 A1ElectroSea, LLC
- Power transfer system for a gas turbine engine11 Sep 2025US 2025/0283435 A1General Electric Company
- Direct drive electrically-geared turbofan4 Jul 2024US 2024/0218837 A1The Boeing Company
Most cited
By later US patents
- Multi role primary/auxiliary power system with engine start capability for aircraft75US 4,494,372 ALockheed Corporation · 1985
- Variable magnetic coupling of rotating machinery52US 7,791,235 B2General Electric Company · 2010
- Magnetically coupled contra-rotating propulsion stages50US 8,464,511 B1Hamilton Sundstrand Corporation · 2013
- Magnetic advanced gas-turbine transmission with radial aero-segmented nanomagnetic-drive (MAGTRAN)46US 8,446,060 B12013
- Variable coupling of turbofan engine spools via open differential gear set or simple planetary gear set for improved power extraction and engine operability, with torque coupling for added flexibility30US 7,788,898 B2General Electric Company · 2010