B60L 2220/18
Reluctance machines
B60L2220/18 (Reluctance machines) appears on 172 US grants and 177 published applications in this corpus.
Search patents in B60L- Granted patents
- 172
- Published applications
- 177
- Assignees
- 92
- Inventors
- 363
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 6 | 0 |
| 2000 | 8 | 0 |
| 2001 | 8 | 0 |
| 2002 | 8 | 7 |
| 2003 | 4 | 4 |
| 2004 | 5 | 9 |
| 2005 | 5 | 14 |
| 2006 | 5 | 10 |
| 2007 | 5 | 9 |
| 2008 | 6 | 14 |
| 2009 | 6 | 21 |
| 2010 | 6 | 13 |
| 2011 | 12 | 16 |
| 2012 | 19 | 10 |
| 2013 | 18 | 8 |
| 2014 | 9 | 5 |
| 2015 | 7 | 4 |
| 2016 | 3 | 5 |
| 2017 | 2 | 6 |
| 2018 | 5 | 2 |
| 2019 | 4 | 2 |
| 2020 | 4 | 4 |
| 2021 | 1 | 0 |
| 2022 | 1 | 6 |
| 2023 | 4 | 1 |
| 2024 | 1 | 4 |
| 2025 | 1 | 1 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Driving system31 Mar 2026US 12,592,660 B2Mitsubishi Electric Corporation
- Electric machine and motor vehicle with wall element and tooth head ring17 Mar 2026US 12,580,432 B2Dr. Ing. h,c.F. Porsche Aktiengesellschaft
- Electric drive system, power train, vehicle, and method of operating an electric drive system17 Feb 2026US 12,552,263 B2Siemens Mobility GmbH
- Rotating electric machine and method for manufacturing rotating electric machine30 Sep 2025US 12,431,753 B2Hitachi Astemo, Ltd.
- Vehicle running system and method based on rail transport11 Jun 2024US 12,005,942 B2Southwest Jiaotong University
- Breakaway port for thermal conditioning system for electric aircraft30 Apr 2026US 2026/0116576 A1Beta Air, LLC
- Multi-geared or cvt-based synchronous reluctance machine powertrain architecture26 Mar 2026US 2026/0084546 A1Magna International Inc.
- Diagnostic and testing module for electrically powered machine4 Dec 2025US 2025/0370023 A1Caterpillar Inc.
- Electric machine and motor vehicle11 Apr 2024US 2024/0120782 A1Dr. Ing. h,c.F. Porsche Aktiengesellschaft
- Vehicle running system and method based on rail transport8 Feb 2024US 2024/0043054 A1Southwest Jiaotong University
Most cited
By later US patents
- Methods and apparatus for increasing power of permanent magnet motors1,432US 6,777,838 B22004
- Battery powered electric vehicle and electrical supply system331US 5,642,270 AWavedriver Limited · 1997
- Power electronic interface circuits for batteries and ultracapacitors in electric vehicles and battery storage systems219US 5,710,699 AGeneral Electric Company · 1998
- Technique for decoupling the energy storage system voltage from the DC link voltage in AC electric drive systems215US 5,373,195 AGeneral Electric Company · 1994
- Traction motor drive system199US 6,331,365 B1General Electric Company · 2001