F16C 39/063
Permanent magnets
Official title: {Permanent magnets}
F16C39/063 (Permanent magnets) appears on 270 US grants and 159 published applications in this corpus.
Search patents in F16C- Granted patents
- 270
- Published applications
- 159
- Assignees
- 174
- Inventors
- 529
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 6 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 8 | 0 |
| 1992 | 6 | 0 |
| 1993 | 6 | 0 |
| 1994 | 7 | 0 |
| 1995 | 2 | 0 |
| 1996 | 12 | 0 |
| 1997 | 12 | 0 |
| 1998 | 8 | 0 |
| 1999 | 7 | 0 |
| 2000 | 4 | 0 |
| 2001 | 10 | 1 |
| 2002 | 12 | 4 |
| 2003 | 6 | 10 |
| 2004 | 14 | 10 |
| 2005 | 14 | 15 |
| 2006 | 13 | 11 |
| 2007 | 2 | 10 |
| 2008 | 7 | 14 |
| 2009 | 7 | 6 |
| 2010 | 6 | 7 |
| 2011 | 5 | 12 |
| 2012 | 7 | 8 |
| 2013 | 3 | 5 |
| 2014 | 6 | 5 |
| 2015 | 6 | 6 |
| 2016 | 3 | 6 |
| 2017 | 7 | 6 |
| 2018 | 4 | 4 |
| 2019 | 4 | 1 |
| 2020 | 2 | 2 |
| 2021 | 7 | 3 |
| 2022 | 0 | 2 |
| 2023 | 3 | 0 |
| 2024 | 1 | 4 |
| 2025 | 1 | 5 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Axial alignment system for a rotor of a rotary electric machine, and corresponding rotary electric machines14 Apr 2026US 12,603,547 B2Weg Equipamentos EléTricos S.A.
- Hybrid airfoil bearing with active damping24 Mar 2026US 12,584,521 B2Hamilton Sundstrand Corporation
- Hybrid airfoil and auxiliary magnetic bearings25 Nov 2025US 12,480,544 B2Hamilton Sundstrand Corporation
- Guide roller having magnets and bushings to stabilize a roller barrel for a tape medium28 May 2024US 11,994,169 B2International Business Machines Corporation
- Thrust bearing for a rotating machine5 Dec 2023US 11,835,088 B2Rolls-Royce North American Technologies Inc.
- Radial-Axial One-Piece Magnetic Bearing for an Energy Storage Device25 Jun 2026US 2026/0180394 A1Huachi Kinetic Energy (Beijing) Technology Co., Ltd
- All-permanent magnet combined self-stabilizing maglev bearing26 Feb 2026US 2026/0058581 A1Suzhou Keqin Micro Vision Medical Device Co., Ltd.
- Non-recirculating rolling element bearing in an overrunning cage configuration, cage and adapter for the same26 Jun 2025US 2025/0207632 A1Prodrive Technologies Innovation Services B.V.
- Passive magnetic bearing using diamagnetic levitation20 Mar 2025US 2025/0092917 A1International Business Machines Corporation
- Compressor assembly with hybrid airfoil and auxiliary magnetic bearings13 Mar 2025US 2025/0084860 A1Hamilton Sundstrand Corporation
Most cited
By later US patents
- Energy conversion systems and methods405US 10,060,473 B2Oceana Energy Company · 2018
- Sealless rotary blood pump with passive magnetic radial bearings and blood immersed axial bearings378US 5,695,471 AKriton Medical, Inc. · 1997
- Artificial hearts with permanent magnet bearings340US 5,507,629 A1996
- Sealless rotary blood pump288US 6,688,861 B2HeartWare, Inc. · 2004
- Sealless rotary blood pump212US 5,840,070 AKriton Medical, Inc. · 1998