B60L 50/51
Characterised by ac-motors
Official title: characterised by AC-motors
B60L50/51 (Characterised by ac-motors) appears on 2,482 US grants and 2,835 published applications in this corpus.
Search patents in B60L- Granted patents
- 2,482
- Published applications
- 2,835
- Assignees
- 688
- Inventors
- 5,007
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 6 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 6 | 0 |
| 1993 | 2 | 0 |
| 1994 | 19 | 0 |
| 1995 | 14 | 0 |
| 1996 | 28 | 0 |
| 1997 | 34 | 0 |
| 1998 | 21 | 0 |
| 1999 | 17 | 0 |
| 2000 | 23 | 0 |
| 2001 | 19 | 4 |
| 2002 | 23 | 28 |
| 2003 | 16 | 30 |
| 2004 | 26 | 24 |
| 2005 | 16 | 30 |
| 2006 | 22 | 33 |
| 2007 | 22 | 37 |
| 2008 | 34 | 39 |
| 2009 | 24 | 64 |
| 2010 | 40 | 69 |
| 2011 | 58 | 89 |
| 2012 | 54 | 161 |
| 2013 | 101 | 205 |
| 2014 | 118 | 244 |
| 2015 | 180 | 272 |
| 2016 | 196 | 206 |
| 2017 | 228 | 188 |
| 2018 | 216 | 117 |
| 2019 | 172 | 148 |
| 2020 | 135 | 110 |
| 2021 | 114 | 71 |
| 2022 | 80 | 107 |
| 2023 | 70 | 112 |
| 2024 | 93 | 158 |
| 2025 | 152 | 159 |
| 2026 | 79 | 130 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems for auxiliary battery for inverter for electric vehicle6 Oct 2026US 12,752,639 B2BorgWarner Inc.
- Control system for a hybrid vehicle with a dual voltage direct current bus6 Oct 2026US 12,752,640 B2Deere & Company
- System for charging vehicle battery using motor driving system6 Oct 2026US 12,752,650 B2Hyundai Motor Company
- Latch dual-curve 3PS/6SO safe state for inverter29 Sep 2026US 12,746,831 B2Vitesco Technologies USA, LLC
- DC-DC boost system and methods for recharging higher voltage battery packs with lesser rated charging stations29 Sep 2026US 12,746,833 B2Fca US LLC
- Electric vehicle control device1 Oct 2026US 2026/0296207 A1Hino Motors, Ltd.
- Extending range of a robotic electric vehicle1 Oct 2026US 2026/0296219 A1Textron Systems Corporation
- Indirect thermal management system for electric vehicle and electric vehicle including same1 Oct 2026US 2026/0302278 A1American Honda Motor Co., Inc.
- System and method for cancelling magnetic field1 Oct 2026US 2026/0304723 A1Safefields Technologies Ltd
- Vehicle battery module comprising power conversion device, and vehicle battery system based on plurality of vehicle battery modules24 Sep 2026US 2026/0285170 A1Hyundai Motor Company
Most cited
By later US patents
- Voltage converter control apparatus, and method1,440US 7,199,537 B2Toyota Jidosha Kabushiki Kaisha · 2007
- 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
- Mobile detection system402US 5,446,445 ASamsung Electronics Co., Ltd. · 1995
- Battery powered electric vehicle and electrical supply system331US 5,642,270 AWavedriver Limited · 1997