B60L 53/20
Methods of charging batteries, specially adapted for electric vehicles: characterised by converters
Official title: characterised by converters located in the vehicle
B60L53/20 (Methods of charging batteries, specially adapted for electric vehicles: characterised by converters) appears on 2,512 US grants and 3,554 published applications in this corpus.
Search patents in B60L- Granted patents
- 2,512
- Published applications
- 3,554
- Assignees
- 836
- Inventors
- 5,669
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 5 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 7 | 0 |
| 1995 | 3 | 0 |
| 1996 | 7 | 0 |
| 1997 | 6 | 0 |
| 1998 | 6 | 0 |
| 1999 | 6 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 4 |
| 2003 | 3 | 2 |
| 2004 | 2 | 8 |
| 2005 | 2 | 4 |
| 2006 | 7 | 15 |
| 2007 | 7 | 12 |
| 2008 | 3 | 14 |
| 2009 | 13 | 35 |
| 2010 | 11 | 40 |
| 2011 | 24 | 48 |
| 2012 | 26 | 74 |
| 2013 | 39 | 96 |
| 2014 | 51 | 116 |
| 2015 | 64 | 124 |
| 2016 | 108 | 138 |
| 2017 | 124 | 163 |
| 2018 | 145 | 189 |
| 2019 | 173 | 200 |
| 2020 | 178 | 237 |
| 2021 | 204 | 249 |
| 2022 | 239 | 402 |
| 2023 | 221 | 324 |
| 2024 | 276 | 428 |
| 2025 | 343 | 368 |
| 2026 | 176 | 263 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System and method for controlling vehicle battery6 Oct 2026US 12,752,649 B2Hyundai Motor Company
- System for charging vehicle battery using motor driving system6 Oct 2026US 12,752,650 B2Hyundai Motor Company
- Precharging using a motor-inverter system6 Oct 2026US 12,752,651 B2GM Global Technology Operations LLC
- Vehicle-mounted power supply apparatus with upper and lower cooling channels and vehicle6 Oct 2026US 12,757,361 B2Huawei Digital Power Technologies Co., Ltd.
- In-vehicle charging device29 Sep 2026US 12,746,835 B2Aisin Corporation
- System and method for controlling charging of battery of electrified vehicle8 Oct 2026US 2026/0307522 A1Hyundai Motor Company
- Electrical network in a motor vehicle8 Oct 2026US 2026/0307531 A1Volkswagen Aktiengesellschaft
- Electric work vehicle8 Oct 2026US 2026/0307539 A1Kubota Corporation
- Power converter control with second order harmonic injection8 Oct 2026US 2026/0312483 A1The Trustees of Columbia University in the City of New York
- Charging device and charging method for an electrical energy store1 Oct 2026US 2026/0296226 A1Robert Bosch GmbH
Most cited
By later US patents
- Voltage converter control apparatus, and method1,440US 7,199,537 B2Toyota Jidosha Kabushiki Kaisha · 2007
- Inductive power pick-up coils336US 5,528,113 A1996
- Battery powered electric vehicle and electrical supply system331US 5,642,270 AWavedriver Limited · 1997
- Induction charging system307US 3,938,018 A1976
- User interface and user control in a power aggregation system for distributed electric resources274US 7,949,435 B2V2Green, Inc. · 2011