B60L 3/0069
Relating to the isolation
Official title: {relating to the isolation, e.g. ground fault or leak current}
B60L3/0069 (Relating to the isolation) appears on 1,240 US grants and 1,480 published applications in this corpus.
Search patents in B60L- Granted patents
- 1,240
- Published applications
- 1,480
- Assignees
- 466
- Inventors
- 2,823
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 5 | 0 |
| 1994 | 6 | 0 |
| 1995 | 5 | 0 |
| 1996 | 9 | 0 |
| 1997 | 11 | 0 |
| 1998 | 13 | 0 |
| 1999 | 4 | 0 |
| 2000 | 5 | 0 |
| 2001 | 5 | 2 |
| 2002 | 7 | 8 |
| 2003 | 5 | 6 |
| 2004 | 8 | 11 |
| 2005 | 6 | 8 |
| 2006 | 10 | 10 |
| 2007 | 8 | 18 |
| 2008 | 7 | 11 |
| 2009 | 20 | 27 |
| 2010 | 15 | 58 |
| 2011 | 28 | 66 |
| 2012 | 36 | 106 |
| 2013 | 63 | 142 |
| 2014 | 87 | 148 |
| 2015 | 109 | 126 |
| 2016 | 117 | 88 |
| 2017 | 104 | 49 |
| 2018 | 78 | 50 |
| 2019 | 72 | 65 |
| 2020 | 53 | 58 |
| 2021 | 61 | 49 |
| 2022 | 61 | 74 |
| 2023 | 44 | 92 |
| 2024 | 59 | 76 |
| 2025 | 72 | 74 |
| 2026 | 38 | 58 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Integrated active isolation measurement22 Sep 2026US 12,742,804 B2Infineon Technologies AG
- Vehicle and insulation monitoring circuit for vehicle battery15 Sep 2026US 12,734,892 B2Saic Motor Corporation Limited
- Battery abnormality detection system, battery abnormality detection method, and battery abnormality detection program15 Sep 2026US 12,736,592 B2Panasonic Intellectual Property Management Co., Ltd.
- Vehicle electrical system having a high-voltage branch, a low-voltage branch, and low-voltage-side insulation fault detection1 Sep 2026US 12,722,498 B2Vitesco Technologies GmbH
- Electrical energy storage system with integrated fault warning system1 Sep 2026US 12,726,017 B2Volvo Truck Corporation
- Onboard charging system using split-phase motor10 Sep 2026US 2026/0264526 A1
- Short-circuit protection with a semiconductor switch27 Aug 2026US 2026/0249701 A1Siemens Mobility GmbH
- Auto-eject charging plug20 Aug 2026US 2026/0241812 A1Green Power Co., Ltd.
- Power supply device13 Aug 2026US 2026/0233616 A1Toyota Jidosha Kabushiki Kaisha
- Collision notification circuit and control method using the same13 Aug 2026US 2026/0233694 A1Robert Bosch GmbH
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
- Electronic parking meter and electric automobile recharging station306US 6,081,205 A2000
- Charging system for a vehicle305US 5,049,802 ACaterpillar Industrial Inc. · 1991
- Battery condition monitoring and recording system for electric vehicles263US 5,349,535 ADigicomp Research Corporation · 1994