F05D 2240/51
Magnetic
F05D2240/51 (Magnetic) appears on 120 US grants and 115 published applications in this corpus.
Search patents in F05D- Granted patents
- 120
- Published applications
- 115
- Assignees
- 84
- Inventors
- 277
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 5 | 1 |
| 2003 | 2 | 1 |
| 2004 | 0 | 2 |
| 2005 | 1 | 1 |
| 2006 | 2 | 1 |
| 2007 | 0 | 3 |
| 2008 | 1 | 2 |
| 2009 | 1 | 4 |
| 2010 | 1 | 5 |
| 2011 | 4 | 2 |
| 2012 | 0 | 9 |
| 2013 | 5 | 3 |
| 2014 | 5 | 3 |
| 2015 | 2 | 5 |
| 2016 | 1 | 5 |
| 2017 | 4 | 2 |
| 2018 | 6 | 6 |
| 2019 | 5 | 9 |
| 2020 | 6 | 7 |
| 2021 | 6 | 7 |
| 2022 | 6 | 10 |
| 2023 | 17 | 13 |
| 2024 | 6 | 6 |
| 2025 | 10 | 5 |
| 2026 | 4 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Magnetic-foil bearing with cooling system2 Jun 2026US 12,644,490 B2Rtx Corporation
- Closed-loop cooling fluid circuit for magnetic bearings of an expander-compressor system24 Mar 2026US 12,584,420 B2Nuovo Pignone Tecnologie Srl
- Motor and apparatus using the same24 Feb 2026US 12,560,173 B2Canon Kabushiki Kaisha
- Electrical power generated by carbon dioxide gas pressure letdown10 Feb 2026US 12,546,283 B2Sapphire Technologies, Inc.
- Pressure control in a turboexpander23 Dec 2025US 12,503,955 B2Sapphire Technologies, Inc.
- Magnetic levitation propeller type of a gas injector and a photoresist removing processing chamber with the same20 Aug 2026US 2026/0243265 A1VM Inc.
- Rotodynamic fluid transfer and energy extraction device with shaftless rotational coupling and constraint as used in rocket propulsion systems21 May 2026US 2026/0139643 A1Vaya Space, Inc.
- Rotodynamic fluid transfer and energy extraction device with shaftless rotational coupling and constraint as used in rocket propulsion systems18 Sep 2025US 2025/0290468 A1Vaya Space, Inc.
- Integral motor pump or turbine with sensorless monitoring of axial bearing wear3 Jul 2025US 2025/0215809 A1Flowserve Pte. Ltd.
- Cryogenic Expansion Turbine with Magnetic Bearings19 Jun 2025US 2025/0198303 A1
Most cited
By later US patents
- Turbo-generator81US 5,285,123 ADoryokuro Kakunenryo Kaihatsu Jigyodan · 1994
- Fluid pump apparatus81US 6,547,530 B2Ntn Corporation · 2003
- Turbo-charger with rotary machine59US 5,121,605 AHitachi, Ltd. · 1992
- Thrust compensating apparatus57US 5,104,284 ADresser-Rand Company · 1992
- Turbomachine with active tip clearance control57US 5,263,816 AGeneral Motors Corporation · 1993