F16C 32/0408
Passive magnetic bearings
Official title: {Passive magnetic bearings}
F16C32/0408 (Passive magnetic bearings) appears on 500 US grants and 389 published applications in this corpus.
Search patents in F16C- Granted patents
- 500
- Published applications
- 389
- Assignees
- 308
- Inventors
- 903
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 0 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 5 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 7 | 0 |
| 1991 | 6 | 0 |
| 1992 | 11 | 0 |
| 1993 | 14 | 0 |
| 1994 | 11 | 0 |
| 1995 | 13 | 0 |
| 1996 | 22 | 0 |
| 1997 | 12 | 0 |
| 1998 | 20 | 0 |
| 1999 | 17 | 0 |
| 2000 | 10 | 0 |
| 2001 | 12 | 1 |
| 2002 | 12 | 10 |
| 2003 | 7 | 12 |
| 2004 | 18 | 16 |
| 2005 | 9 | 14 |
| 2006 | 10 | 7 |
| 2007 | 7 | 10 |
| 2008 | 6 | 18 |
| 2009 | 7 | 13 |
| 2010 | 8 | 13 |
| 2011 | 13 | 18 |
| 2012 | 8 | 13 |
| 2013 | 9 | 16 |
| 2014 | 11 | 20 |
| 2015 | 16 | 24 |
| 2016 | 13 | 24 |
| 2017 | 23 | 24 |
| 2018 | 17 | 18 |
| 2019 | 20 | 20 |
| 2020 | 17 | 20 |
| 2021 | 20 | 19 |
| 2022 | 17 | 17 |
| 2023 | 13 | 7 |
| 2024 | 12 | 16 |
| 2025 | 9 | 10 |
| 2026 | 6 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Mechanical renewable green energy production7 Jul 2026US 12,674,503 B2Phos Global Energy Solutions, Inc.
- Electric machine with an electromagnetic bearing2 Jun 2026US 12,646,996 B2Université Catholique De Louvain
- 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
- HTS bearing and flywheel systems and methods24 Mar 2026US 12,584,522 B2Revterra Corporation
- A vacuum pump and a permanent magnetic bearing assembly for a vacuum pump24 Sep 2026US 2026/0286969 A1
- Magnetic assembly and vacuum pump17 Sep 2026US 2026/0275991 A1Leybold Aktiengesellschaft
- Magnetic bearing hub and vacuum pump20 Aug 2026US 2026/0243264 A1
- Magnetic damping rotational structure and magnetic damping generation method13 Aug 2026US 2026/0236113 A1Shenzhen Loyal Electronics Co., Ltd.
- Hts bearing and flywheel systems and methods6 Aug 2026US 2026/0226942 A1Revterra Corporation
Most cited
By later US patents
- Energy conversion systems and methods405US 10,060,473 B2Oceana Energy Company · 2018
- Axial force null position magnetic bearing and rotary blood pumps which use them208US 6,227,820 B12001
- Dynamically stable magnetic suspension/bearing system205US 5,495,221 AThe Regents of the University of California · 1996
- Fluid pump with magnetically levitated impeller173US 5,195,877 A1993
- Fluid pump with magnetically levitated impeller167US 5,470,208 A1995