F04D 25/026
With a magnetic coupling
Official title: {with a magnetic coupling}
F04D25/026 (With a magnetic coupling) appears on 137 US grants and 153 published applications in this corpus.
Search patents in F04D- Granted patents
- 137
- Published applications
- 153
- Assignees
- 103
- Inventors
- 302
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 3 | 2 |
| 2003 | 4 | 3 |
| 2004 | 1 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 3 |
| 2007 | 0 | 3 |
| 2008 | 1 | 1 |
| 2009 | 3 | 3 |
| 2010 | 4 | 1 |
| 2011 | 2 | 3 |
| 2012 | 1 | 2 |
| 2013 | 1 | 8 |
| 2014 | 3 | 10 |
| 2015 | 5 | 8 |
| 2016 | 6 | 14 |
| 2017 | 7 | 9 |
| 2018 | 10 | 16 |
| 2019 | 15 | 9 |
| 2020 | 7 | 7 |
| 2021 | 6 | 11 |
| 2022 | 8 | 7 |
| 2023 | 12 | 11 |
| 2024 | 4 | 9 |
| 2025 | 15 | 4 |
| 2026 | 5 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Motor assembly for an appliance such as a vacuum cleaner and a vacuum cleaner having same15 Sep 2026US 12,736,058 B2Omachron Intellectual Property Inc.
- High pressure magnetic coupling shrouds and methods of producing the same14 Apr 2026US 12,601,352 B2General Electric Company
- Disposable impeller assembly for a magnetic drive pump and related methods7 Apr 2026US 12,595,798 B1Lexor, Inc.
- Pump device17 Mar 2026US 12,577,956 B2Nidec Instruments Corporation
- Geared air cycle machine fan for aircraft systems17 Feb 2026US 12,553,445 B2Hamilton Sundstrand Corporation
- Magnetic assembly and vacuum pump17 Sep 2026US 2026/0275991 A1Leybold Aktiengesellschaft
- Resilient dust cover for fan clutch assembly30 Jul 2026US 2026/0218760 A1Volvo Truck Corporation
- Using Multiple In-Line Fluid Systems16 Apr 2026US 2026/0103960 A1Upwing Energy, LLC
- In-Line Fluid System with Pressurized Coupling16 Apr 2026US 2026/0103962 A1Upwing Energy, LLC
- In-Line Fluid System with In-Line Fluid End16 Apr 2026US 2026/0103963 A1Upwing Energy, LLC
Most cited
By later US patents
- Rotation drive device and centrifugal pump apparatus employing same75US 9,850,906 B2Tc1 LLC · 2017
- Bracketless magnetic pump62US 7,393,188 B2EcoTech, LLC · 2008
- Pump system for use in a heat exchange application52US 6,668,911 B2ITT Manufacturing Enterprises, Inc. · 2003
- High speed magnetic coupling38US 4,277,707 AThe Garrett Corporation · 1981
- Electric fan clutch38US 6,129,193 AAmerican Cooling Systems, LLC · 2000