F02N 2250/02
Battery voltage drop at start
Official title: Battery voltage drop at start, e.g. drops causing ECU reset
F02N2250/02 (Battery voltage drop at start) appears on 145 US grants and 162 published applications in this corpus.
Search patents in F02N- Granted patents
- 145
- Published applications
- 162
- Assignees
- 75
- Inventors
- 346
- Latest grant
- 18 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 1 | 0 |
| 2004 | 1 | 2 |
| 2005 | 2 | 4 |
| 2006 | 2 | 3 |
| 2007 | 3 | 1 |
| 2008 | 3 | 7 |
| 2009 | 0 | 4 |
| 2010 | 5 | 3 |
| 2011 | 4 | 13 |
| 2012 | 3 | 13 |
| 2013 | 10 | 19 |
| 2014 | 8 | 12 |
| 2015 | 11 | 14 |
| 2016 | 18 | 14 |
| 2017 | 19 | 9 |
| 2018 | 15 | 11 |
| 2019 | 7 | 5 |
| 2020 | 7 | 6 |
| 2021 | 4 | 9 |
| 2022 | 9 | 8 |
| 2023 | 3 | 1 |
| 2024 | 3 | 1 |
| 2025 | 4 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for operating a vehicle and vehicle operated by such a method18 Nov 2025US 12,473,881 B2Volvo Truck Corporation
- Management apparatus for energy storage device and energy storage apparatus9 Sep 2025US 12,413,092 B2GS Yuasa International Ltd.
- Method and system for predicting engine-start performance of an electrical energy storage system25 Feb 2025US 12,233,746 B2Clarios Advanced Solutions GmbH
- Vehicle power supply system21 Jan 2025US 12,202,418 B2Honda Motor Co., Ltd.
- Vehicle electrical power system with defect detection30 Apr 2024US 11,971,002 B2Denso Corporation
- Method and system for predicting engine-start performance of an electrical energy storage system12 Jun 2025US 2025/0187492 A1Clarios Advanced Solutions GmbH
- Method for operating a vehicle and vehicle operated by such a method5 Sep 2024US 2024/0295207 A1Volvo Truck Corporation
- Vehicle power supply system5 Jan 2023US 2023/0001868 A1Honda Motor Co., Ltd.
- Method and system for predicting engine-start performance of an electrical energy storage system8 Dec 2022US 2022/0388424 A1Clarios Advanced Solutions GmbH
- Booster10 Nov 2022US 2022/0356861 A1Denso Corporation
Most cited
By later US patents
- Vehicle power supply system81US 7,336,002 B2Denso Corporation · 2008
- Power circuit for battery41US 7,023,107 B2Mitsubishi Denki Kabushiki Kaisha · 2006
- Engine starting device39US 8,229,656 B2OMRON Corporation · 2012
- Eco-run control device and method for resetting the same32US 7,860,637 B2Fujitsu Ten Limited · 2010
- Eco-run control device and engine restart method31US 7,860,636 B2Fujitsu Ten Limited · 2010