H01F 7/0236
Magnetic suspension or levitation
Official title: {Magnetic suspension or levitation (for vehicles B60L13/04; magnetic bearings F16C39/063)}
H01F7/0236 (Magnetic suspension or levitation) appears on 86 US grants and 100 published applications in this corpus.
Search patents in H01F- Granted patents
- 86
- Published applications
- 100
- Assignees
- 54
- Inventors
- 168
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 2 | 3 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 2 |
| 2007 | 0 | 2 |
| 2008 | 2 | 6 |
| 2009 | 3 | 4 |
| 2010 | 1 | 1 |
| 2011 | 2 | 4 |
| 2012 | 2 | 4 |
| 2013 | 0 | 3 |
| 2014 | 5 | 4 |
| 2015 | 2 | 6 |
| 2016 | 7 | 3 |
| 2017 | 4 | 11 |
| 2018 | 6 | 7 |
| 2019 | 7 | 5 |
| 2020 | 7 | 6 |
| 2021 | 2 | 4 |
| 2022 | 4 | 11 |
| 2023 | 8 | 4 |
| 2024 | 8 | 3 |
| 2025 | 3 | 5 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Substrate transfer apparatus and substrate transfer method12 May 2026US 12,628,611 B2Tokyo Electron Limited
- Method and apparatus for magnetic arrangements22 Jul 2025US 12,367,996 B1Magnotize LLC
- Linear motor for maglev train, and maglev train15 Jul 2025US 12,358,539 B2Crrc Qingdao Sifang Co., Ltd.
- Substrate transfer device and substrate transfer method3 Jun 2025US 12,322,642 B2Tokyo Electron Limited
- System for generating a magnetic field31 Dec 2024US 12,183,509 B2Aspect Imaging Ltd.
- Wafer processing apparatus3 Jul 2025US 2025/0218852 A1Powerchip Semiconductor Manufacturing Corporation
- Substrate transfer device and substrate transfer method12 Jun 2025US 2025/0191964 A1Tokyo Electron Limited
- Magnetic suspension device and semiconductor processing apparatus1 May 2025US 2025/0137489 A1Suzhou Supermag Intelligent Technology Co., Ltd
- Passive magnetic bearing using diamagnetic levitation20 Mar 2025US 2025/0092917 A1International Business Machines Corporation
- Method of transferring a vehicle module over an infrastructure, infrastructure, vehicle module and use thereof27 Feb 2025US 2025/0065927 A1Stichting Radboud Universiteit
Most cited
By later US patents
- Dynamically stable magnetic suspension/bearing system205US 5,495,221 AThe Regents of the University of California · 1996
- High speed transit system50US 4,148,260 A1979
- Rapid transit system49US 3,954,064 AGravity Transit Company · 1976
- Levitation device49US 4,382,245 A1983
- Inductrack magnet configuration42US 6,633,217 B2The Regents of the University of California · 2003