F04C 15/0069
Magnetic couplings
Official title: {Magnetic couplings}
F04C15/0069 (Magnetic couplings) appears on 96 US grants and 83 published applications in this corpus.
Search patents in F04C- Granted patents
- 96
- Published applications
- 83
- Assignees
- 67
- Inventors
- 181
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 1 |
| 2003 | 5 | 2 |
| 2004 | 1 | 2 |
| 2005 | 0 | 4 |
| 2006 | 2 | 4 |
| 2007 | 2 | 5 |
| 2008 | 2 | 1 |
| 2009 | 2 | 2 |
| 2010 | 2 | 5 |
| 2011 | 1 | 1 |
| 2012 | 4 | 3 |
| 2013 | 2 | 5 |
| 2014 | 4 | 3 |
| 2015 | 0 | 2 |
| 2016 | 0 | 3 |
| 2017 | 1 | 7 |
| 2018 | 7 | 10 |
| 2019 | 8 | 6 |
| 2020 | 3 | 3 |
| 2021 | 2 | 3 |
| 2022 | 4 | 3 |
| 2023 | 1 | 2 |
| 2024 | 1 | 1 |
| 2025 | 4 | 4 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Eccentric screw pump with magnetic coupling18 Aug 2026US 12,710,041 B2NETZSCH Pumpen & Systeme GmbH
- Operable implant11 Aug 2026US 12,702,752 B2
- Bush retention system7 Oct 2025US 12,435,746 B2HMD Seal/Less Pumps Limited
- Containment for fluid handling devices, such as pumps, and related devices, apparatus, systems, and methods2 Sep 2025US 12,404,862 B2Flowserve Pte. Ltd.
- Modular fluid pump for use in diverse applications19 Aug 2025US 12,395,022 B2GHSP, Inc.
- Containment for fluid handling devices, such as pumps, and related devices,apparatus, systems, and methods18 Dec 2025US 2025/0382966 A1Flowserve Pte. Ltd.
- Modular fluid pump for use in diverse applications6 Nov 2025US 2025/0343455 A1GHSP, Inc.
- Operable implant11 Sep 2025US 2025/0281690 A1
- Eccentric screw pump with magnetic coupling9 Jan 2025US 2025/0012277 A1NETZSCH Pumpen & Systeme GmbH
- Containment for fluid handling devices, such as pumps, and related devices, apparatus, systems, and methods31 Oct 2024US 2024/0360833 A1Flowserve Pte. Ltd.
Most cited
By later US patents
- Pump mount using sanitary flange clamp72US 6,764,284 B2Parker-Hannifin Corporation · 2004
- Multiple-chamber gear pump with hydraulically connected chambers51US 5,466,131 AMicropump, Inc. · 1995
- Frontal magnet coupling with integrated magnetic bearing load relief45US 4,767,378 ASiemens Aktiengesellschaft · 1988
- Apparatus for maximizing air conditioning and/or refrigeration system efficiency45US 5,435,148 AJDM, Ltd. · 1995
- Fluid metering, mixing and composition control system37US 5,423,661 AMillipore Corporation · 1995