F05D 2240/511
With permanent magnets
Official title: with permanent magnets
F05D2240/511 (With permanent magnets) appears on 24 US grants and 24 published applications in this corpus.
Search patents in F05D- Granted patents
- 24
- Published applications
- 24
- Assignees
- 21
- Inventors
- 61
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 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 | 0 | 2 |
| 2005 | 1 | 1 |
| 2006 | 2 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 2 |
| 2017 | 1 | 0 |
| 2018 | 1 | 0 |
| 2019 | 1 | 1 |
| 2020 | 0 | 4 |
| 2021 | 2 | 2 |
| 2022 | 2 | 3 |
| 2023 | 5 | 4 |
| 2024 | 2 | 1 |
| 2025 | 2 | 1 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- 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
- Turbomachine provided with a magnetic drive pump14 Oct 2025US 12,442,385 B2Safran Helicopter Engines
- Process integration in electrical power generation29 Apr 2025US 12,289,034 B2Sapphire Technologies, Inc.
- Producing power with turboexpander generators based on specified output conditions1 Oct 2024US 12,104,493 B2Sapphire Technologies, Inc.
- Closed-loop cooling fluid circuit for magnetic bearings of an expander-compressor system2 Jan 2025US 2025/0003425 A1Nuovo Pignone Tecnologie Srl
- Turbomachine provided with a magnetic drive pump2 May 2024US 2024/0141911 A1Safran Helicopter Engines
- Producing power with turboexpander generators based on specified output conditions12 Oct 2023US 2023/0323785 A1Sapphire Technologies, Inc.
- Process integration in electrical power generation12 Oct 2023US 2023/0328934 A1Sapphire Technologies, Inc.
- Gas turbine propulsion system20 Apr 2023US 2023/0121431 A1
Most cited
By later US patents
- Air cycle machine with magnetic bearings50US 5,310,311 ABarber-Colman Company · 1994
- Generating energy from fluid expansion34US 7,638,892 B2Calnetix, Inc. · 2009
- Magnetic-drive axial-flow fluid displacement pump and turbine10US 10,326,343 B22019
- Turbocharger with magnetic bearing system that includes dampers8US 6,846,167 B2BorgWarner Inc. · 2005
- Magnetic bearing8US 7,002,273 B2Nexans · 2006