B60L 2220/14
Synchronous machines
B60L2220/14 (Synchronous machines) appears on 1,040 US grants and 1,081 published applications in this corpus.
Search patents in B60L- Granted patents
- 1,040
- Published applications
- 1,081
- Assignees
- 318
- Inventors
- 1,947
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 5 | 0 |
| 1994 | 4 | 0 |
| 1995 | 6 | 0 |
| 1996 | 11 | 0 |
| 1997 | 6 | 0 |
| 1998 | 10 | 0 |
| 1999 | 14 | 0 |
| 2000 | 17 | 0 |
| 2001 | 18 | 9 |
| 2002 | 23 | 29 |
| 2003 | 22 | 19 |
| 2004 | 25 | 23 |
| 2005 | 16 | 17 |
| 2006 | 12 | 31 |
| 2007 | 17 | 28 |
| 2008 | 17 | 45 |
| 2009 | 26 | 60 |
| 2010 | 26 | 81 |
| 2011 | 59 | 56 |
| 2012 | 65 | 81 |
| 2013 | 61 | 109 |
| 2014 | 88 | 104 |
| 2015 | 100 | 92 |
| 2016 | 71 | 64 |
| 2017 | 82 | 38 |
| 2018 | 40 | 38 |
| 2019 | 57 | 26 |
| 2020 | 21 | 21 |
| 2021 | 18 | 20 |
| 2022 | 15 | 21 |
| 2023 | 20 | 18 |
| 2024 | 14 | 14 |
| 2025 | 14 | 19 |
| 2026 | 11 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Wheel assemblies for shuttles powered by linear synchronous motors6 Oct 2026US 12,752,632 B1Amazon Technologies, Inc.
- Externally excited synchronous machine-based electric drive integrating galvanically isolated AC7 Jul 2026US 12,676,567 B2Ford Global Technologies, LLC
- System for multi-variable flux memory motor configuration28 Apr 2026US 12,614,998 B2Jacobi Motors, LLC
- System for a bicycle including an energy storage device21 Apr 2026US 12,606,271 B2Sram, LLC
- Filter to suppress current circulation in rotating electrical machine31 Mar 2026US 12,592,615 B2BorgWarner Inc.
- Rotor, separately excited synchronous machine and motor vehicle8 Oct 2026US 2026/0312469 A1
- Systems and methods for rotor field excitation circuit24 Sep 2026US 2026/0291422 A1BorgWarner Inc.
- Method for calculating operating setpoints of a first engine and a second engine of the same vehicle27 Aug 2026US 2026/0249711 A1Ampere S.A.S.
- Electric vehicle drive device20 Aug 2026US 2026/0246329 A1Mitsubishi Electric Mobility Corporation
- Rotary electric machine, rotary electric machine unit, and electric vehicle13 Aug 2026US 2026/0238053 A1Mitsubishi Electric Mobility Corporation
Most cited
By later US patents
- Apparatus, method and article for physical security of power storage devices in vehicles1,063US 8,560,147 B2Gogoro Inc. · 2013
- Apparatus, method and article for authentication, security and control of power storage devices, such as batteries1,019US 9,182,244 B2Gogoro Inc. · 2015
- Control system and method for electric vehicle349US 6,885,920 B2Oshkosh Truck Corporation · 2005
- Powered skateboard318US 6,050,357 AEMPower Corporation · 2000
- Failure mode operation for an electric vehicle285US 7,302,320 B2Oshkosh Truck Corporation · 2007